加法交换律和结合律练习题56161

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加法交换律和结合律练习题

加法交换律和结合律练习题

练习范围:加法交换律和结合律题数:100月日姓名: 分秒成绩:615 + 86 + 185 = 81 - 23 + 319 = 621 - 150 + 79 = 228 - 211 + 172 = 966 - 361 - 539 = 656 - 215 - 285 = 235 + 253 + 265 = 357 - 274 - 26 = 829 - 104 - 196 = 379 + 15 + 885 = 712 - 686 + 88 = 535 - 428 + 365 = 680 - 65 - 335 = 89 + 432 - 69 = 189 - 36 - 119 = 262 + 187 + 213 = 656 + 244 + 376 = 282 - 134 + 418 = 919 + 194 + 206 = 811 + 276 + 124 = 402 - 369 - 2 = 956 + 627 - 656 = 554 - 409 + 346 = 419 + 381 + 249 = 409 + 113 + 391 = 472 + 688 + 228 = 662 + 462 - 462 = 939 - 241 - 559 = 283 + 317 + 10 = 408 - 170 + 92 = 5 + 348 + 95 = 519 + 82 + 618 = 752 - 552 + 148 = 576 - 143 - 376 = 27 + 352 + 23 = 782 - 51 - 149 = 195 + 665 - 145 = 379 + 161 - 309 = 745 + 681 + 55 = 139 + 661 + 380 = 784 - 64 - 84 = 969 - 272 - 369 = 972 - 220 - 672 = 951 - 490 - 10 = 28 + 281 + 2 =321 + 933 + 279 = 543 - 175 - 343 = 286 + 173 - 206 = 226 - 115 + 474 = 614 + 33 + 67 = 581 + 253 + 47 = 449 + 251 + 788 = 324 + 276 + 519 = 796 + 333 - 196 = 594 - 406 + 6 = 784 - 653 - 47 = 676 + 224 + 276 = 958 - 106 - 258 = 25 + 963 + 5 = 266 + 610 + 434 = 193 + 607 + 958 = 591 - 372 + 209 = 722 - 283 + 78 = 535 + 265 + 275 = 597 + 303 + 778 = 409 + 876 + 291 = 669 - 177 - 223 = 953 - 383 - 253 = 338 + 206 + 94 = 968 - 117 - 583 = 701 - 698 - 1 = 785 + 115 + 144 = 558 - 56 + 42 = 98 + 52 + 202 = 40 + 361 + 50 = 890 - 127 + 10 = 525 - 501 + 75 = 11 + 834 + 689 = 652 - 54 - 592 = 649 + 305 - 579 = 89 + 558 + 611 = 823 - 42 - 758 = 75 + 305 + 825 = 105 + 881 + 595 = 772 + 686 - 572 = 809 - 290 - 309 = 237 + 212 + 588 = 105 + 295 + 220 = 804 - 647 - 104 = 376 - 66 + 124 = 389 + 472 + 411 = 944 - 385 - 15 = 79 + 660 + 140 = 729 + 75 + 71 = 514 - 46 + 86 = 574 - 411 - 89 = 325 + 826 - 225 = 873 + 380 + 420 = 168 + 82 + 18 = 692 + 108 + 286 =月 日 姓名:分秒练习范围:加法交换律和结合律 题数:100成绩:120 + 780 + 979 = 534 + 502 + 266 = 603 - 401 - 103 = 592 + 308 + 44 = 456 + 6 + 894 = 819 - 157 - 243 = 129 + 571 + 126 = 587 + 115 - 187 = 362 - 63 + 138 = 992 + 231 + 69 = 516 - 234 - 16 = 21 + 249 - 1 = 101 + 521 + 379 = 149 + 414 + 551 = 585 - 319 + 115 = 883 - 716 - 84 = 204 + 674 + 226 = 696 + 954 + 204 = 623 - 328 - 172 = 287 + 304 + 513 = 333 + 521 - 253 = 858 + 349 - 838 = 389 + 616 + 284 = 365 - 29 - 305 = 651 - 8 + 149 = 874 - 16 - 34 = 920 + 120 - 880 = 661 - 2 + 239 = 391 + 109 + 20 = 565 - 291 - 165 = 990 + 223 + 377 = 709 + 207 + 593 = 547 + 153 + 851 = 697 + 5 + 5 = 234 - 208 + 566 = 210 + 771 + 29 = 608 - 274 - 126 = 107 - 36 - 54 = 593 - 56 - 44 = 942 - 345 - 342 = 278 + 122 + 649 = 337 - 196 - 104 = 493 - 366 + 407 =96 + 704 + 111 =910 + 814 - 820 =458 + 235 + 165 = 627 - 16 - 567 = 961 - 169 - 61 = 264 - 158 + 336 = 152 + 526 + 148 = 682 + 45 + 855 = 575 + 9 + 11 = 526 + 252 + 248 = 254 - 164 + 546 = 644 + 899 - 554 = 347 + 553 + 555 = 456 + 244 + 935 = 282 + 223 + 418 = 243 - 164 + 657 = 248 + 630 + 652 = 936 + 386 - 846 = 398 + 648 - 98 = 289 + 89 + 611 = 115 + 172 + 185 = 981 - 76 - 381 = 133 + 667 + 226 = 802 - 408 - 292 = 936 - 93 - 707 = 54 - 43 + 846 = 963 + 37 + 53 = 918 - 428 - 272 = 385 + 54 + 546 = 795 - 770 + 5 = 701 - 472 - 1 = 145 + 716 + 655 = 712 + 2 - 652 = 776 - 205 - 195 = 841 - 285 - 115 = 808 - 401 - 108 = 215 + 271 - 115 = 936 - 303 - 136 = 945 - 89 - 445 = 94 + 159 + 241 = 171 - 116 + 629 = 79 + 821 + 483 = 866 - 311 - 189 = 857 + 549 - 767 = 286 + 214 + 505 = 126 + 455 + 474 = 189 - 59 + 611 = 335 - 15 + 65 = 563 + 137 + 838 = 405 + 262 + 238 = 213 + 287 + 257 = 526 + 802 + 74 = 43 + 186 + 757 = 145 + 758 - 75 = 667 + 33 + 309 = 805 - 590 - 110 = 326 + 474 + 301 =月 日 姓名:分秒练习范围:加法交换律和结合律 题数:100成绩:1000 - 279 - 521 = 677 + 223 + 28 = 883 - 68 - 22 = 164 + 374 + 336 = 113 - 51 + 87 = 572 + 351 - 552 = 537 - 257 + 363 = 154 - 147 + 546 = 130 - 5 - 120 = 20 + 66 + 734 = 611 - 571 + 289 = 562 - 102 + 338 = 200 + 195 - 180 = 783 - 174 - 226 = 708 - 113 + 192 = 232 + 173 - 222 = 505 - 449 - 51 = 71 + 506 + 194 = 657 - 47 - 43 = 443 + 357 + 729 = 693 - 9 + 207 = 4 + 685 + 16 = 829 - 119 + 71 = 522 - 171 - 129 = 922 - 168 - 332 = 184 - 46 - 44 = 312 + 188 + 500 = 561 - 57 - 471 = 697 - 592 + 103 = 914 - 306 - 294 = 727 - 68 - 32 = 597 - 106 + 103 = 106 + 652 - 56 = 558 + 441 + 242 = 678 - 75 + 222 = 421 + 963 - 21 = 921 - 3 - 67 = 437 - 165 + 163 = 633 - 354 - 46 = 851 + 103 + 397 = 517 + 11 + 39 = 348 + 22 + 478 = 635 + 840 - 235 =690 - 79 - 521 =319 + 566 + 81 =893 + 25 + 25 = 243 + 319 + 81 = 490 + 110 + 830 = 878 + 42 + 458 = 6 + 54 + 575 = 95 + 683 + 217 = 3 + 297 + 99 = 828 + 299 - 748 = 650 - 228 - 50 = 375 - 64 - 36 = 158 + 542 + 795 = 657 + 170 + 530 = 136 - 112 + 64 = 497 + 419 - 197 = 578 - 319 + 22 = 798 - 778 + 2 = 145 + 355 + 283 = 835 - 179 - 521 = 145 + 10 + 655 = 299 - 197 + 501 = 424 - 73 - 124 = 988 + 546 - 688 = 722 - 562 - 22 = 758 - 257 + 42 = 143 + 318 - 93 = 210 + 627 + 73 = 136 + 364 + 196 = 729 - 84 - 16 = 506 - 36 - 426 = 5 + 95 + 45 = 130 + 26 + 470 = 608 + 780 + 20 = 716 - 139 - 561 = 161 - 159 + 239 = 706 + 194 + 314 = 992 + 155 + 745 = 67 + 533 + 768 = 684 + 644 + 56 = 284 + 216 + 200 = 139 + 661 + 681 = 395 - 73 - 127 = 671 - 388 + 29 = 900 - 271 - 429 = 544 - 38 - 494 = 122 + 678 + 83 = 791 + 50 + 10 = 489 - 295 + 311 = 8 + 392 + 47 = 346 + 773 - 266 = 888 + 748 - 808 = 624 - 352 - 224 = 478 - 340 + 22 = 840 - 175 - 125 = 710 - 399 - 110 = 798 - 336 + 2 =月 日 姓名:分秒练习范围:加法交换律和结合律 题数:100成绩:362 + 646 - 332 = 997 + 685 + 215 = 918 + 468 - 818 = 108 - 55 + 192 = 774 + 579 + 221 = 354 + 8 + 392 = 272 + 515 + 285 = 959 - 395 - 259 = 400 + 947 + 400 = 62 + 147 + 238 = 207 + 493 + 238 = 823 - 172 - 528 = 234 + 15 + 15 = 950 + 728 + 72 = 114 + 186 + 479 = 866 - 125 - 466 = 377 - 281 - 77 = 949 + 729 - 549 = 718 - 28 - 172 = 181 + 319 + 519 = 730 - 133 - 467 = 397 + 303 + 17 = 507 + 393 + 146 = 69 + 431 + 682 = 599 + 301 + 384 = 974 - 143 - 557 = 760 - 118 - 382 = 117 + 275 + 225 = 230 + 95 + 205 = 218 - 73 - 18 = 139 + 37 + 763 = 57 + 97 + 243 = 171 - 4 - 76 = 521 + 79 + 767 = 681 - 500 - 81 = 670 - 34 - 470 = 304 + 296 + 97 = 218 + 82 + 737 = 496 + 104 + 970 = 215 + 182 + 285 = 533 - 48 - 152 = 518 + 15 + 82 = 472 - 180 + 28 =397 + 3 + 745 =594 - 383 + 306 =787 - 185 - 387 = 644 - 225 - 375 = 919 + 588 + 312 = 879 + 496 - 479 = 320 + 147 + 253 = 738 + 62 + 761 = 663 - 627 + 37 = 576 - 84 + 224 = 917 - 890 - 10 = 57 + 33 + 962 = 299 + 101 + 543 = 304 + 148 + 52 = 150 + 344 + 56 = 216 + 436 + 484 = 719 - 223 - 177 = 89 + 811 + 809 = 60 + 0 + 510 = 637 - 377 + 163 = 53 + 145 + 17 = 695 - 301 - 299 = 341 + 182 - 141 = 760 + 229 + 271 = 411 - 55 - 45 = 140 - 51 - 49 = 551 - 10 - 461 = 248 + 270 + 652 = 44 + 643 + 46 = 168 + 250 + 132 = 846 - 91 - 509 = 628 - 163 - 228 = 376 + 63 - 306 = 35 + 365 + 536 = 567 - 236 - 64 = 491 + 177 + 9 = 472 + 38 - 462 = 229 - 220 + 271 = 505 - 86 + 295 = 413 - 61 + 187 = 168 + 259 + 232 = 27 + 113 + 473 = 679 - 285 - 179 = 400 + 349 - 390 = 168 - 44 - 56 = 892 - 296 - 192 = 554 + 420 + 246 = 177 + 323 + 781 = 655 - 165 - 455 = 672 + 128 + 578 = 865 - 426 + 35 = 418 + 757 + 82 = 439 + 474 + 461 = 379 - 75 - 299 = 782 - 216 - 184 = 917 - 317 - 583 = 819 + 381 + 219 =月 日 姓名:分秒练习范围:加法交换律和结合律 题数:100成绩:511 - 482 + 289 = 5 + 695 + 559 = 566 + 739 + 134 = 252 + 248 + 472 = 330 + 250 + 570 = 827 - 357 - 427 = 312 + 88 + 960 = 185 + 841 - 95 = 544 + 861 + 39 = 620 - 356 - 144 = 835 - 586 - 214 = 78 + 442 + 2 = 11 + 937 + 489 = 981 + 365 + 35 = 806 - 156 - 606 = 680 + 584 + 316 = 991 + 200 + 300 = 27 + 43 + 862 = 265 + 335 + 941 = 570 + 412 + 188 = 912 - 543 - 12 = 460 - 250 + 440 = 584 + 931 - 554 = 210 + 290 + 850 = 685 - 24 - 595 = 835 - 39 - 661 = 262 + 235 + 438 = 474 + 268 + 132 = 894 - 809 + 6 = 893 - 586 - 214 = 940 + 352 - 910 = 53 + 17 + 566 = 692 - 113 - 187 = 749 - 472 - 28 = 863 + 332 + 68 = 358 + 542 + 356 = 659 + 399 + 1 = 929 + 153 + 347 = 12 + 856 + 18 = 366 + 919 + 534 = 741 + 159 + 664 = 449 + 921 - 429 = 960 + 297 + 503 =211 + 240 - 171 =100 + 40 + 50 =179 + 597 + 321 = 763 - 308 - 292 = 718 + 10 - 418 = 927 - 224 - 527 = 872 - 278 - 372 = 329 + 684 - 229 = 251 + 459 - 51 = 207 + 710 + 190 = 372 + 228 + 576 = 213 + 340 + 560 = 488 + 353 + 547 = 598 - 26 - 474 = 307 + 493 + 841 = 946 - 442 - 246 = 148 + 665 + 752 = 100 + 400 + 293 = 983 - 349 - 551 = 426 - 251 - 126 = 770 + 786 - 670 = 749 + 4 + 296 = 802 - 582 - 118 = 421 - 179 - 221 = 281 + 219 + 319 = 34 + 324 + 16 = 586 + 250 - 506 = 147 - 17 - 23 = 686 - 265 + 214 = 491 + 209 + 252 = 561 + 289 + 411 = 591 + 171 - 541 = 940 - 65 - 35 = 258 + 442 + 304 = 735 - 215 - 185 = 437 - 321 + 463 = 289 - 168 + 311 = 715 - 596 - 104 = 412 + 288 + 156 = 851 - 9 - 11 = 233 + 101 - 183 = 104 + 796 + 771 = 537 + 296 + 163 = 562 - 66 - 4 = 507 + 93 + 692 = 99 + 201 + 260 = 217 + 34 + 266 = 560 - 5 - 75 = 932 - 446 - 154 = 110 - 34 + 390 = 714 + 775 - 684 = 925 - 88 - 835 = 655 + 194 + 45 = 798 + 458 + 442 = 949 - 363 - 149 = 443 - 51 - 149 = 515 + 444 + 285 =月 日 姓名:分秒练习范围:加法交换律和结合律 题数:100成绩:50 + 89 + 211 = 401 + 408 + 499 = 791 - 40 - 191 = 554 + 27 + 43 = 60 + 40 + 33 = 525 - 25 - 475 = 787 - 196 - 587 = 664 + 136 + 487 = 649 + 605 - 569 = 188 + 284 + 412 = 234 + 531 + 369 = 551 - 482 + 249 = 740 - 626 - 40 = 501 + 857 - 421 = 542 - 501 + 158 = 938 + 378 - 438 = 128 + 939 + 172 = 406 + 989 + 194 = 393 + 53 + 307 = 845 + 358 - 795 = 453 + 111 + 689 = 459 - 269 + 341 = 347 + 153 + 71 = 731 - 663 + 69 = 922 - 696 - 4 = 567 + 271 + 629 = 985 - 762 - 185 = 216 + 773 + 284 = 671 - 588 + 229 = 558 - 125 - 58 = 766 - 199 - 366 = 611 + 698 + 2 = 903 + 287 - 3 = 664 + 951 - 164 = 634 + 494 + 266 = 397 + 854 - 297 = 319 + 481 + 563 = 719 - 647 - 19 = 118 + 323 + 182 = 629 + 853 - 429 = 682 + 546 - 82 = 500 - 29 + 200 = 442 + 58 + 373 =587 - 3 - 527 =552 + 679 - 52 =286 + 563 + 114 = 75 + 932 + 825 = 832 - 106 - 432 = 911 - 321 - 311 = 785 + 549 + 251 = 412 + 655 - 342 = 461 + 439 + 804 = 143 - 91 + 457 = 477 - 476 + 323 = 429 - 15 - 359 = 4 + 696 + 183 = 4 + 740 + 296 = 10 + 890 + 435 = 340 + 53 + 347 = 737 - 7 - 337 = 592 + 387 + 308 = 827 - 10 - 427 = 431 + 702 - 411 = 388 + 402 - 338 = 626 - 129 - 371 = 987 - 18 - 82 = 425 + 475 + 311 = 390 + 210 + 141 = 319 + 168 - 229 = 18 + 225 + 382 = 703 - 58 - 203 = 172 + 51 + 528 = 559 + 241 + 276 = 111 + 389 + 378 = 994 - 747 - 53 = 479 + 405 - 379 = 199 + 277 + 323 = 958 - 200 - 200 = 838 + 56 - 138 = 507 - 485 + 293 = 150 + 450 + 56 = 243 - 86 - 114 = 283 - 130 + 117 = 36 + 528 + 864 = 526 - 32 - 38 = 68 + 232 + 923 = 179 - 177 + 721 = 627 - 114 + 73 = 983 + 286 - 883 = 726 + 269 + 531 = 834 + 12 + 68 = 499 + 201 + 183 = 606 - 293 - 307 = 628 - 233 - 128 = 476 - 287 - 76 = 924 - 59 - 124 = 759 - 603 + 141 = 727 + 36 + 464 = 36 + 875 + 464 = 398 - 33 + 102 =月 日 姓名:分秒练习范围:加法交换律和结合律 题数:100成绩:893 + 778 + 122 = 925 + 180 + 620 = 85 + 382 + 215 = 689 + 370 + 11 = 31 + 43 + 469 = 834 + 139 + 761 = 145 + 755 + 828 = 969 - 497 - 103 = 475 - 13 - 425 = 839 - 89 - 311 = 939 - 226 - 674 = 217 + 13 + 37 = 671 - 29 - 51 = 484 - 370 + 316 = 700 + 566 + 34 = 234 + 298 + 202 = 898 - 413 - 87 = 653 + 455 - 453 = 790 - 264 - 390 = 355 - 224 + 545 = 44 + 506 + 856 = 628 + 172 + 571 = 924 - 450 - 350 = 164 - 60 + 636 = 798 - 140 - 60 = 594 - 140 - 160 = 839 + 350 + 50 = 190 + 445 + 410 = 592 + 182 - 552 = 913 + 712 - 863 = 886 + 14 + 808 = 366 - 106 + 234 = 5 + 75 + 43 = 195 - 36 - 34 = 424 + 889 + 376 = 50 + 351 - 30 = 526 + 4 + 86 = 618 - 520 + 182 = 906 + 814 - 706 = 66 + 534 + 874 = 60 - 3 - 47 = 403 + 504 - 383 = 742 - 6 - 54 =324 + 561 - 284 =358 + 342 + 633 =905 + 875 - 205 = 308 - 19 - 108 = 508 + 414 + 292 = 306 + 167 + 394 = 428 + 15 + 785 = 495 + 614 - 445 = 467 + 181 + 619 = 785 - 420 - 185 = 325 + 197 + 103 = 275 + 665 - 265 = 593 - 481 + 307 = 837 - 529 - 71 = 265 + 873 + 27 = 291 - 39 + 509 = 715 - 84 + 85 = 95 + 860 + 705 = 325 + 175 + 822 = 545 - 474 + 355 = 218 + 630 - 178 = 34 + 61 + 666 = 938 + 371 + 429 = 455 - 171 + 245 = 871 - 430 - 370 = 553 - 32 - 453 = 476 + 790 + 24 = 68 - 12 - 18 = 364 + 111 + 136 = 669 - 432 + 31 = 642 + 158 + 222 = 826 - 10 - 790 = 875 - 185 - 75 = 496 + 204 + 29 = 655 - 603 + 45 = 359 + 241 + 278 = 891 - 805 + 9 = 864 - 93 - 707 = 3 + 77 + 140 = 512 + 238 + 162 = 934 - 31 - 169 = 12 + 278 + 588 = 713 - 13 - 693 = 235 + 818 + 165 = 416 - 97 + 384 = 806 - 56 - 44 = 768 - 296 + 32 = 184 + 267 + 433 = 561 + 32 - 501 = 113 + 164 + 387 = 686 + 972 - 636 = 335 + 326 - 235 = 730 + 787 + 113 = 398 + 202 + 904 = 319 - 179 - 21 = 596 + 433 + 367 = 4 + 596 + 173 =月 日 姓名:分秒练习范围:加法交换律和结合律 题数:100成绩:438 - 128 + 262 = 509 + 291 + 334 = 186 + 250 + 350 = 52 + 940 + 28 = 652 - 38 - 592 = 812 + 547 + 353 = 983 - 681 - 83 = 136 + 364 + 223 = 30 + 304 + 196 = 535 - 285 + 365 = 756 - 522 - 56 = 700 - 27 + 200 = 4 + 165 + 335 = 975 - 71 - 775 = 476 - 93 + 24 = 835 - 516 - 135 = 991 - 11 - 191 = 150 - 80 + 750 = 749 - 216 - 84 = 652 + 290 + 610 = 427 - 145 + 173 = 560 - 297 - 103 = 842 - 78 - 142 = 473 - 399 + 127 = 679 - 23 - 379 = 671 - 210 - 190 = 115 - 10 + 385 = 715 - 7 - 705 = 665 - 66 + 35 = 138 - 55 + 162 = 872 - 498 - 72 = 945 - 767 - 45 = 943 - 600 - 200 = 97 + 227 + 173 = 575 - 515 + 225 = 873 - 77 - 673 = 750 - 555 - 145 = 360 + 40 + 99 = 410 + 90 + 134 = 204 + 792 - 104 = 462 + 238 + 401 = 801 - 95 - 101 = 343 + 312 + 88 =484 + 316 + 634 =192 + 8 + 961 =885 - 238 - 462 = 3 + 729 + 797 = 523 - 186 + 177 = 138 + 981 + 162 = 578 - 62 - 138 = 745 + 651 + 249 = 934 - 31 - 834 = 146 + 819 + 81 = 789 - 205 - 89 = 97 + 19 + 71 = 214 + 925 - 204 = 489 - 40 - 160 = 559 - 106 - 194 = 17 + 283 + 860 = 367 - 128 + 433 = 942 - 167 - 642 = 10 + 146 + 80 = 382 - 194 + 118 = 78 + 13 + 12 = 741 - 378 - 122 = 127 + 118 + 382 = 129 + 674 + 471 = 19 + 766 + 781 = 723 + 234 - 323 = 558 - 300 - 158 = 164 + 698 - 124 = 727 - 465 + 73 = 189 + 211 + 875 = 67 + 633 + 364 = 668 + 423 + 177 = 632 + 421 + 168 = 82 + 861 - 52 = 981 - 23 - 911 = 417 + 657 + 383 = 576 - 78 - 276 = 33 + 667 + 537 = 756 - 501 - 56 = 152 + 378 - 62 = 190 + 240 - 160 = 461 + 543 - 451 = 870 - 199 - 301 = 855 + 662 + 238 = 895 + 15 - 855 = 178 - 165 + 222 = 337 + 997 + 263 = 25 + 463 + 237 = 81 + 768 + 32 = 981 + 452 - 281 = 65 - 15 + 5 = 942 - 25 - 42 = 213 + 587 + 96 = 505 - 17 - 483 = 130 - 60 + 70 = 884 - 49 - 484 = 805 + 782 - 605 =月 日 姓名:分秒练习范围:加法交换律和结合律 题数:100成绩:943 + 192 + 8 = 470 + 930 - 440 = 165 + 777 + 335 = 703 - 73 - 623 = 507 + 981 + 393 = 364 + 156 + 436 = 527 - 177 - 323 = 749 + 974 - 549 = 767 + 775 - 727 = 268 + 190 + 432 = 651 - 514 + 49 = 829 - 74 - 726 = 881 - 38 - 281 = 362 - 181 - 162 = 569 - 329 + 31 = 243 - 156 + 457 = 997 - 439 - 161 = 100 + 200 + 871 = 574 - 360 + 226 = 626 + 55 - 616 = 606 + 294 + 337 = 922 - 191 - 222 = 689 - 72 + 111 = 165 - 29 - 31 = 384 + 917 + 516 = 667 + 3 + 397 = 768 + 731 - 738 = 930 + 63 + 437 = 94 + 291 - 34 = 227 + 442 + 358 = 715 - 274 - 215 = 530 + 550 - 130 = 276 + 145 - 206 = 1 + 19 + 472 = 77 + 579 + 723 = 485 - 104 - 196 = 113 - 20 + 587 = 748 + 647 + 153 = 728 - 287 - 128 = 16 + 383 + 484 = 471 + 510 + 90 = 595 + 212 - 525 = 289 - 4 - 199 =205 - 50 + 95 =243 + 157 + 102 =765 + 692 + 35 = 203 + 83 + 517 = 688 + 335 - 608 = 1 + 402 + 99 = 695 - 623 + 5 = 747 + 630 - 347 = 37 + 43 + 283 = 746 - 270 + 154 = 749 + 52 + 51 = 946 + 94 - 746 = 511 - 2 - 411 = 722 + 126 + 674 = 189 - 94 + 411 = 918 - 113 - 787 = 578 + 240 - 528 = 48 + 847 + 53 = 825 - 744 + 75 = 126 + 191 + 309 = 623 - 380 + 277 = 684 - 8 - 32 = 793 - 347 + 7 = 852 + 785 - 52 = 777 + 153 + 123 = 804 - 14 - 754 = 537 - 121 - 379 = 749 - 564 - 136 = 683 + 247 + 217 = 818 - 784 - 16 = 575 + 921 - 475 = 94 + 506 + 327 = 928 - 18 - 52 = 730 - 412 - 88 = 664 + 629 - 584 = 728 + 802 - 228 = 124 + 748 + 176 = 451 + 575 + 225 = 246 + 192 + 608 = 382 - 39 - 292 = 787 - 195 + 13 = 948 + 405 + 195 = 971 - 13 - 387 = 954 - 469 - 454 = 262 + 773 - 162 = 628 + 336 - 588 = 655 + 45 + 229 = 535 + 310 - 35 = 34 + 159 + 36 = 798 + 508 + 292 = 299 + 380 + 401 = 47 + 853 + 877 = 72 + 497 + 428 = 643 + 192 + 608 = 58 + 32 + 711 = 757 - 46 - 667 = 965 + 672 - 565 =月 日 姓名:分秒练习范围:加法交换律和结合律 题数:100成绩:270 + 11 + 89 = 469 - 190 - 169 = 320 + 360 + 440 = 692 + 588 + 108 = 6 + 932 + 44 = 983 - 116 - 683 = 11 + 289 + 332 = 57 + 637 + 543 = 343 + 899 + 57 = 264 - 82 - 174 = 897 - 15 - 85 = 303 - 63 + 497 = 267 + 433 + 362 = 69 + 631 + 967 = 92 + 15 + 15 = 682 - 70 - 20 = 133 + 667 + 928 = 383 + 705 - 323 = 626 - 357 + 74 = 741 - 321 - 241 = 324 + 212 - 304 = 690 - 201 - 199 = 752 + 233 - 652 = 210 + 933 + 90 = 666 + 234 + 618 = 225 - 36 - 24 = 540 - 486 + 160 = 888 - 598 - 202 = 964 + 578 + 22 = 801 - 112 - 688 = 774 - 331 + 126 = 300 + 204 + 96 = 580 + 454 + 446 = 829 - 122 + 71 = 706 - 596 - 106 = 490 - 485 + 10 = 465 - 115 + 35 = 718 + 65 + 435 = 10 + 790 + 176 = 573 + 926 - 543 = 956 + 388 + 212 = 794 - 26 - 714 = 560 - 260 + 40 =560 + 110 + 190 =498 - 80 - 20 =670 - 23 - 580 = 918 - 75 - 118 = 522 + 178 + 386 = 827 + 926 - 427 = 931 + 903 - 901 = 694 + 116 + 206 = 909 - 315 - 509 = 351 - 51 - 261 = 718 - 176 - 424 = 48 + 913 + 2 = 997 + 146 - 977 = 681 + 307 + 293 = 257 + 543 + 343 = 819 - 17 - 779 = 883 - 133 - 483 = 140 - 32 - 48 = 600 - 56 + 0 = 768 + 877 - 268 = 904 - 11 - 19 = 956 - 677 - 223 = 330 - 18 - 72 = 798 - 247 - 498 = 781 + 469 + 331 = 851 - 284 - 316 = 972 - 430 - 470 = 10 + 538 + 690 = 145 - 13 + 155 = 777 + 123 + 309 = 342 + 424 + 476 = 713 - 445 - 13 = 927 + 299 + 1 = 999 - 9 - 929 = 968 - 814 - 68 = 72 + 444 - 22 = 606 + 326 + 474 = 660 + 468 + 40 = 269 - 95 + 231 = 248 + 148 + 152 = 799 + 101 + 528 = 536 + 764 - 516 = 31 + 369 + 900 = 726 - 472 + 74 = 566 - 59 - 466 = 254 - 35 + 246 = 160 + 228 + 472 = 188 - 16 - 24 = 516 + 184 + 217 = 704 - 640 - 60 = 735 - 474 - 26 = 753 + 601 + 299 = 582 + 158 + 542 = 907 - 233 - 467 = 205 + 590 + 395 = 942 + 356 - 342 = 719 + 142 + 358 =。

加减法结合律交换律计算题50道

加减法结合律交换律计算题50道

加减法结合律交换律计算题50道1.小明有12颗糖,小红给他3颗,然后小刚又拿走了5颗,最后小明又得到了2颗,小明现在有多少颗糖?2.超市里原来有20箱苹果,上午运进5箱,下午卖出8箱,晚上又运进3箱,现在超市有多少箱苹果?3.一个书架上第一层有15本书,第二层有10本书,从第一层拿3本到第二层,然后又在第一层加了2本,此时第一层有多少本书?4.有一个存钱罐,里面原来有30元,妈妈先放进去10元,弟弟拿走5元,爸爸又放进8元,存钱罐里现在有多少钱?5.公交车上原本有18人,第一站上来5人,第二站下去3人,第三站又上来2人,车上现在有多少人?6.篮子里有16个鸡蛋,妈妈又买回来7个,做菜用了5个,邻居送了3个过来,篮子里现在有多少个鸡蛋?7.仓库里有25袋大米,运走8袋,又运来6袋,再运走3袋,仓库里现在有多少袋大米?8.树上有13只鸟,飞来了4只,飞走了2只,又飞来了3只,树上现在有多少只鸟?9.小敏有22元零花钱,买文具花了5元,妈妈又给了3元,她又买了一个2元的小饰品,小敏现在有多少元?10.花丛里有10只蝴蝶,飞走3只,又飞来了5只,再飞走2只,花丛里现在有多少只蝴蝶?11.班级图书角原本有35本书,同学还回来8本,借出去7本,又新买了5本,图书角现在有多少本书?12.养殖场里有40只鸡,卖出10只,又孵出8只小鸡,再卖掉5只,养殖场现在有多少只鸡?13.一盒铅笔有18支,用掉3支,又放进去2支,再用掉4支,盒子里现在有多少支铅笔?14.停车场里原来有23辆车,开走8辆,开进来5辆,又开走3辆,停车场现在有多少辆车?15.小红有17朵小红花,老师奖励了3朵,她送给同学2朵,又得到1朵,小红现在有多少朵小红花?16.池塘里有14条鱼,捞走3条,又放进去5条,再捞走2条,池塘里现在有多少条鱼?17.教室里有28张桌子,搬走5张,又搬来4张,再搬走3张,教室里现在有多少张桌子?18.小强有19颗弹珠,赢了3颗,输了2颗,又赢了4颗,小强现在有多少颗弹珠?19.蛋糕店有26个蛋糕,卖掉8个,做了5个新的,又卖掉3个,蛋糕店现在有多少个蛋糕?20.操场上有15个篮球,被借走3个,还回来2个,又被借走4个,操场上现在有多少个篮球?21.小李有21元,买饮料花了4元,捡到3元,又花了2元,小李现在有多少元?22.花园里有11朵月季花,新种了3朵,凋谢了2朵,又新种了4朵,花园里现在有多少朵月季花?23.动物园里有32只猴子,转移走5只,又出生了4只小猴子,再转移走3只,动物园里现在有多少只猴子?24.书架第二层有16本漫画书,拿走3本,放回2本,又拿走4本,第二层现在有多少本漫画书?25.公共汽车起始站有24名乘客,第一站下去3名,上来5名,第二站下去2名,车上现在有多少名乘客?26.文具店有20个笔记本,卖出5个,进货3个,又卖出4个,文具店现在有多少个笔记本?27.树林里有15只松鼠,跑走3只,跑来5只,又跑走2只,树林里现在有多少只松鼠?28.有一个集邮册,里面原来有27张邮票,新加入5张,拿出3张送人,又新加入2张,集邮册里现在有多少张邮票?29.奶奶家有30个鸡蛋,吃掉5个,母鸡又下了4个蛋,再吃掉3个,奶奶家现在有多少个鸡蛋?30.操场上原来有13个足球,老师拿来3个,学生拿走2个,又拿来4个,操场上现在有多少个足球?31.盒子里有18颗珠子,取出3颗,放入2颗,再取出4颗,盒子里现在有多少颗珠子?32.超市货架上有25瓶饮料,卖出8瓶,补货5瓶,又卖出3瓶,货架上现在有多少瓶饮料?33.动物园的鸟舍里有14只鸟,飞走3只,飞回来2只,又飞走4只,鸟舍里现在有多少只鸟?34.小张家有22个苹果,吃了5个,朋友送了3个,又吃了2个,小张家现在有多少个苹果?35.图书馆有35本故事书,借出8本,还回5本,又借出3本,图书馆现在有多少本故事书?36.鱼缸里有16条金鱼,捞走3条,放入5条,再捞走2条,鱼缸里现在有多少条金鱼?37.教室里有29个学生,出去3个,进来5个,又出去2个,教室里现在有多少个学生?38.果园里有23棵苹果树,砍掉5棵,新种3棵,又砍掉2棵,果园里现在有多少棵苹果树?39.钱包里有20元,花掉4元,捡到3元,又花掉2元,钱包里现在有多少元?40.花园里有12株郁金香,拔掉3株,新种5株,又拔掉2株,花园里现在有多少株郁金香?41.车站候车室有33人,上车8人,下车5人,又上车3人,候车室现在有多少人?42.箱子里有17个玩具,拿出3个,放进去2个,再拿出4个,箱子里现在有多少个玩具?43.电影院里有26个座位空着,来了5个人坐下,又走了3个人,又来了4个人坐下,现在空着多少个座位?44.羊圈里有21只羊,卖掉5只,又出生3只小羊,再卖掉2只,羊圈里现在有多少只羊?45.有一个笔筒里有19支笔,用掉3支,放进2支,又用掉4支,笔筒里现在有多少支笔?46.商店里有24个面包,卖出8个,新做5个,又卖出3个,商店里现在有多少个面包?47.草地上有15只兔子,跑走3只,跑来5只,又跑走2只,草地上现在有多少只兔子?48.有一个存钱盒里有28元,取出5元,存入3元,又取出2元,存钱盒里现在有多少元?49.活动室有31张椅子,搬走5张,搬来4张,又搬走3张,活动室现在有多少张椅子?50.冰箱里有18个鸡蛋,用掉3个,买了5个回来,又用掉2个,冰箱里现在有多少个鸡蛋?。

小学口算练习题-加法交换律和结合律等,共200题)

小学口算练习题-加法交换律和结合律等,共200题)

581 462 119
792 193 307
349 330 151
102 51 798
54 509 746
562 416 84
69 321 579
26 274 388
330 524 170
260 466 160
457 440 57
50 550 85
532 612 462
467 133 80
452 242 458
5
口算练习-加法交换律和结合律
题数: 200
月 日 姓名: 分 秒 班级:
66 440 634
628 409 172
66 841 234
242 699 201
203 497 108
109 521 79
163 17 103
884 679 184
446 387 113
52 338 38
208 78 692
467 337 333
127 805 273
283 943 617
254 20 346
496 264 536
885 292 308
159 539 161
895 579 495
310 282 190
822 630 122
177 697 103
615 816 575
347 966 337
959 152 348
697 813 103
534 135 365
411 409 189
714 366 234
283 660 117
853 32 553
526 42 274
687 344 256
117 83 709
23 177 286

加法交换律结合律和乘法交换律结合律分配律练习题

加法交换律结合律和乘法交换律结合律分配律练习题

加法交换律结合律和乘法交换律结合律分配律练习题以下是一系列关于加法交换律、结合律和乘法交换律、结合律、分配律的练习题,通过解答这些题目,可以加深对这些数学原理和规律的理解。

1. 关于加法交换律的练习题(1) 8 + 5 + 3 = ?(2) 17 + 9 + 5 = ?(3) 23 + 12 + 6 = ?解答:(1) 8 + 5 + 3 = 5 + 8 + 3 = 13 + 3 = 16(2) 17 + 9 + 5 = 9 + 17 + 5 = 26 + 5 = 31(3) 23 + 12 + 6 = 12 + 23 + 6 = 35 + 6 = 412. 关于加法结合律的练习题(1) (18 + 6) + 9 = ?(2) 7 + (4 + 9) = ?(3) (10 + 15) + 3 = ?解答:(1) (18 + 6) + 9 = 24 + 9 = 33(2) 7 + (4 + 9) = 7 + 13 = 20(3) (10 + 15) + 3 = 25 + 3 = 28 3. 关于乘法交换律的练习题(1) 4 × 7 = ?(2) 3 × 9 = ?(3) 2 × 10 = ?解答:(1) 4 × 7 = 7 × 4 = 28(2) 3 × 9 = 9 × 3 = 27(3) 2 × 10 = 10 × 2 = 204. 关于乘法结合律的练习题(1) (5 × 3) × 2 = ?(2) 4 × (6 × 7) = ?(3) (8 × 2) × 4 = ?解答:(1) (5 × 3) × 2 = 15 × 2 = 30(2) 4 × (6 × 7) = 4 × 42 = 168(3) (8 × 2) × 4 = 16 × 4 = 64 5. 关于分配律的练习题(1) 3 × (5 + 2) = ?(2) (6 + 8) × 4 = ?(3) (4 × 3) + (4 × 2) = ?解答:(1) 3 × (5 + 2) = 3 × 7 = 21(2) (6 + 8) × 4 = 14 × 4 = 56(3) (4 × 3) + (4 × 2) = 12 + 8 = 20通过这些练习题的解答,可以发现加法交换律、结合律以及乘法交换律、结合律、分配律在运算中的重要性。

四年级下册数学 口算题 (加法交换律和结合律) 1000题

四年级下册数学 口算题 (加法交换律和结合律) 1000题

月日姓名:练习范围:加法交换律和结合律题数:100 分秒成绩:615 + 86 + 185 = 81 - 23 + 319 = 621 - 150 + 79 = 228 - 211 + 172 = 966 - 361 - 539 = 656 - 215 - 285 = 235 + 253 + 265 = 357 - 274 - 26 = 829 - 104 - 196 = 379 + 15 + 885 = 712 - 686 + 88 = 535 - 428 + 365 = 680 - 65 - 335 = 89 + 432 - 69 = 189 - 36 - 119 = 262 + 187 + 213 = 656 + 244 + 376 = 282 - 134 + 418 = 919 + 194 + 206 = 811 + 276 + 124 = 402 - 369 - 2 = 956 + 627 - 656 = 554 - 409 + 346 = 419 + 381 + 249 = 409 + 113 + 391 = 472 + 688 + 228 = 662 + 462 - 462 = 939 - 241 - 559 = 283 + 317 + 10 = 408 - 170 + 92 = 5 + 348 + 95 = 519 + 82 + 618 = 752 - 552 + 148 = 576 - 143 - 376 = 27 + 352 + 23 = 782 - 51 - 149 = 195 + 665 - 145 = 379 + 161 - 309 = 745 + 681 + 55 = 139 + 661 + 380 = 784 - 64 - 84 = 969 - 272 - 369 = 972 - 220 - 672 = 951 - 490 - 10 = 28 + 281 + 2 =321 + 933 + 279 = 543 - 175 - 343 = 286 + 173 - 206 = 226 - 115 + 474 = 614 + 33 + 67 = 581 + 253 + 47 = 449 + 251 + 788 = 324 + 276 + 519 = 796 + 333 - 196 = 594 - 406 + 6 = 784 - 653 - 47 = 676 + 224 + 276 = 958 - 106 - 258 = 25 + 963 + 5 = 266 + 610 + 434 = 193 + 607 + 958 = 591 - 372 + 209 = 722 - 283 + 78 = 535 + 265 + 275 = 597 + 303 + 778 = 409 + 876 + 291 = 669 - 177 - 223 = 953 - 383 - 253 = 338 + 206 + 94 = 968 - 117 - 583 = 701 - 698 - 1 = 785 + 115 + 144 = 558 - 56 + 42 = 98 + 52 + 202 = 40 + 361 + 50 = 890 - 127 + 10 = 525 - 501 + 75 = 11 + 834 + 689 = 652 - 54 - 592 = 649 + 305 - 579 = 89 + 558 + 611 = 823 - 42 - 758 = 75 + 305 + 825 = 105 + 881 + 595 = 772 + 686 - 572 = 809 - 290 - 309 = 237 + 212 + 588 = 105 + 295 + 220 = 804 - 647 - 104 = 376 - 66 + 124 = 389 + 472 + 411 = 944 - 385 - 15 = 79 + 660 + 140 = 729 + 75 + 71 = 514 - 46 + 86 = 574 - 411 - 89 = 325 + 826 - 225 = 873 + 380 + 420 = 168 + 82 + 18 = 692 + 108 + 286 =月日姓名:练习范围:加法交换律和结合分秒成绩:律题数:100120 + 780 + 979 = 534 + 502 + 266 = 603 - 401 - 103 = 592 + 308 + 44 = 456 + 6 + 894 = 819 - 157 - 243 = 129 + 571 + 126 = 587 + 115 - 187 = 362 - 63 + 138 = 992 + 231 + 69 = 516 - 234 - 16 = 21 + 249 - 1 = 101 + 521 + 379 = 149 + 414 + 551 = 585 - 319 + 115 = 883 - 716 - 84 = 204 + 674 + 226 = 696 + 954 + 204 = 623 - 328 - 172 = 287 + 304 + 513 = 333 + 521 - 253 = 858 + 349 - 838 = 389 + 616 + 284 = 365 - 29 - 305 = 651 - 8 + 149 = 874 - 16 - 34 = 920 + 120 - 880 = 661 - 2 + 239 = 391 + 109 + 20 = 565 - 291 - 165 = 990 + 223 + 377 = 709 + 207 + 593 = 547 + 153 + 851 = 697 + 5 + 5 = 234 - 208 + 566 = 210 + 771 + 29 = 608 - 274 - 126 = 107 - 36 - 54 = 593 - 56 - 44 = 942 - 345 - 342 = 278 + 122 + 649 = 337 - 196 - 104 = 493 - 366 + 407 = 96 + 704 + 111 = 910 + 814 - 820 =458 + 235 + 165 = 627 - 16 - 567 = 961 - 169 - 61 = 264 - 158 + 336 = 152 + 526 + 148 = 682 + 45 + 855 = 575 + 9 + 11 = 526 + 252 + 248 = 254 - 164 + 546 = 644 + 899 - 554 = 347 + 553 + 555 = 456 + 244 + 935 = 282 + 223 + 418 = 243 - 164 + 657 = 248 + 630 + 652 = 936 + 386 - 846 = 398 + 648 - 98 = 289 + 89 + 611 = 115 + 172 + 185 = 981 - 76 - 381 = 133 + 667 + 226 = 802 - 408 - 292 = 936 - 93 - 707 = 54 - 43 + 846 = 963 + 37 + 53 = 918 - 428 - 272 = 385 + 54 + 546 = 795 - 770 + 5 = 701 - 472 - 1 = 145 + 716 + 655 = 712 + 2 - 652 = 776 - 205 - 195 = 841 - 285 - 115 = 808 - 401 - 108 = 215 + 271 - 115 = 936 - 303 - 136 = 945 - 89 - 445 = 94 + 159 + 241 = 171 - 116 + 629 = 79 + 821 + 483 = 866 - 311 - 189 = 857 + 549 - 767 = 286 + 214 + 505 = 126 + 455 + 474 = 189 - 59 + 611 = 335 - 15 + 65 = 563 + 137 + 838 = 405 + 262 + 238 = 213 + 287 + 257 = 526 + 802 + 74 = 43 + 186 + 757 = 145 + 758 - 75 = 667 + 33 + 309 = 805 - 590 - 110 = 326 + 474 + 301 =月日姓名:练习范围:加法交换律和结合分秒成绩:律题数:1001000 - 279 - 521 = 677 + 223 + 28 = 883 - 68 - 22 = 164 + 374 + 336 = 113 - 51 + 87 = 572 + 351 - 552 = 537 - 257 + 363 = 154 - 147 + 546 = 130 - 5 - 120 =20 + 66 + 734 = 611 - 571 + 289 = 562 - 102 + 338 = 200 + 195 - 180 = 783 - 174 - 226 = 708 - 113 + 192 = 232 + 173 - 222 = 505 - 449 - 51 = 71 + 506 + 194 = 657 - 47 - 43 = 443 + 357 + 729 = 693 - 9 + 207 =4 + 685 + 16 = 829 - 119 + 71 = 522 - 171 - 129 = 922 - 168 - 332 = 184 - 46 - 44 = 312 + 188 + 500 = 561 - 57 - 471 = 697 - 592 + 103 = 914 - 306 - 294 = 727 - 68 - 32 = 597 - 106 + 103 = 106 + 652 - 56 = 558 + 441 + 242 = 678 - 75 + 222 = 421 + 963 - 21 = 921 - 3 - 67 = 437 - 165 + 163 = 633 - 354 - 46 = 851 + 103 + 397 = 517 + 11 + 39 = 348 + 22 + 478 = 635 + 840 - 235 = 690 - 79 - 521 = 319 + 566 + 81 =893 + 25 + 25 = 243 + 319 + 81 = 490 + 110 + 830 = 878 + 42 + 458 = 6 + 54 + 575 = 95 + 683 + 217 = 3 + 297 + 99 = 828 + 299 - 748 = 650 - 228 - 50 = 375 - 64 - 36 = 158 + 542 + 795 = 657 + 170 + 530 = 136 - 112 + 64 = 497 + 419 - 197 = 578 - 319 + 22 = 798 - 778 + 2 = 145 + 355 + 283 = 835 - 179 - 521 = 145 + 10 + 655 = 299 - 197 + 501 = 424 - 73 - 124 = 988 + 546 - 688 = 722 - 562 - 22 = 758 - 257 + 42 = 143 + 318 - 93 = 210 + 627 + 73 = 136 + 364 + 196 = 729 - 84 - 16 = 506 - 36 - 426 = 5 + 95 + 45 =130 + 26 + 470 = 608 + 780 + 20 = 716 - 139 - 561 = 161 - 159 + 239 = 706 + 194 + 314 = 992 + 155 + 745 = 67 + 533 + 768 = 684 + 644 + 56 = 284 + 216 + 200 = 139 + 661 + 681 = 395 - 73 - 127 = 671 - 388 + 29 = 900 - 271 - 429 = 544 - 38 - 494 = 122 + 678 + 83 = 791 + 50 + 10 = 489 - 295 + 311 = 8 + 392 + 47 = 346 + 773 - 266 = 888 + 748 - 808 = 624 - 352 - 224 = 478 - 340 + 22 = 840 - 175 - 125 = 710 - 399 - 110 = 798 - 336 + 2 =月日姓名:练习范围:加法交换律和结合分秒成绩:律题数:100362 + 646 - 332 = 997 + 685 + 215 = 918 + 468 - 818 = 108 - 55 + 192 = 774 + 579 + 221 = 354 + 8 + 392 = 272 + 515 + 285 = 959 - 395 - 259 = 400 + 947 + 400 = 62 + 147 + 238 = 207 + 493 + 238 = 823 - 172 - 528 = 234 + 15 + 15 = 950 + 728 + 72 = 114 + 186 + 479 = 866 - 125 - 466 = 377 - 281 - 77 = 949 + 729 - 549 = 718 - 28 - 172 = 181 + 319 + 519 = 730 - 133 - 467 = 397 + 303 + 17 = 507 + 393 + 146 = 69 + 431 + 682 = 599 + 301 + 384 = 974 - 143 - 557 = 760 - 118 - 382 = 117 + 275 + 225 = 230 + 95 + 205 = 218 - 73 - 18 = 139 + 37 + 763 = 57 + 97 + 243 = 171 - 4 - 76 =521 + 79 + 767 = 681 - 500 - 81 = 670 - 34 - 470 = 304 + 296 + 97 = 218 + 82 + 737 = 496 + 104 + 970 = 215 + 182 + 285 = 533 - 48 - 152 = 518 + 15 + 82 = 472 - 180 + 28 = 397 + 3 + 745 = 594 - 383 + 306 =787 - 185 - 387 = 644 - 225 - 375 = 919 + 588 + 312 = 879 + 496 - 479 = 320 + 147 + 253 = 738 + 62 + 761 = 663 - 627 + 37 = 576 - 84 + 224 = 917 - 890 - 10 = 57 + 33 + 962 = 299 + 101 + 543 = 304 + 148 + 52 = 150 + 344 + 56 = 216 + 436 + 484 = 719 - 223 - 177 = 89 + 811 + 809 = 60 + 0 + 510 = 637 - 377 + 163 = 53 + 145 + 17 = 695 - 301 - 299 = 341 + 182 - 141 = 760 + 229 + 271 = 411 - 55 - 45 = 140 - 51 - 49 = 551 - 10 - 461 = 248 + 270 + 652 = 44 + 643 + 46 = 168 + 250 + 132 = 846 - 91 - 509 = 628 - 163 - 228 = 376 + 63 - 306 = 35 + 365 + 536 = 567 - 236 - 64 = 491 + 177 + 9 = 472 + 38 - 462 = 229 - 220 + 271 = 505 - 86 + 295 = 413 - 61 + 187 = 168 + 259 + 232 = 27 + 113 + 473 = 679 - 285 - 179 = 400 + 349 - 390 = 168 - 44 - 56 = 892 - 296 - 192 = 554 + 420 + 246 = 177 + 323 + 781 = 655 - 165 - 455 = 672 + 128 + 578 = 865 - 426 + 35 = 418 + 757 + 82 = 439 + 474 + 461 = 379 - 75 - 299 = 782 - 216 - 184 = 917 - 317 - 583 = 819 + 381 + 219 =月日姓名:练习范围:加法交换律和结合分秒成绩:律题数:100511 - 482 + 289 = 5 + 695 + 559 = 566 + 739 + 134 = 252 + 248 + 472 = 330 + 250 + 570 = 827 - 357 - 427 = 312 + 88 + 960 = 185 + 841 - 95 = 544 + 861 + 39 = 620 - 356 - 144 = 835 - 586 - 214 = 78 + 442 + 2 =11 + 937 + 489 = 981 + 365 + 35 = 806 - 156 - 606 = 680 + 584 + 316 = 991 + 200 + 300 = 27 + 43 + 862 = 265 + 335 + 941 = 570 + 412 + 188 = 912 - 543 - 12 = 460 - 250 + 440 = 584 + 931 - 554 = 210 + 290 + 850 = 685 - 24 - 595 = 835 - 39 - 661 = 262 + 235 + 438 = 474 + 268 + 132 = 894 - 809 + 6 = 893 - 586 - 214 = 940 + 352 - 910 = 53 + 17 + 566 = 692 - 113 - 187 = 749 - 472 - 28 = 863 + 332 + 68 = 358 + 542 + 356 = 659 + 399 + 1 = 929 + 153 + 347 = 12 + 856 + 18 = 366 + 919 + 534 = 741 + 159 + 664 = 449 + 921 - 429 = 960 + 297 + 503 = 211 + 240 - 171 = 100 + 40 + 50 =179 + 597 + 321 = 763 - 308 - 292 = 718 + 10 - 418 = 927 - 224 - 527 = 872 - 278 - 372 = 329 + 684 - 229 = 251 + 459 - 51 = 207 + 710 + 190 = 372 + 228 + 576 = 213 + 340 + 560 = 488 + 353 + 547 = 598 - 26 - 474 = 307 + 493 + 841 = 946 - 442 - 246 = 148 + 665 + 752 = 100 + 400 + 293 = 983 - 349 - 551 = 426 - 251 - 126 = 770 + 786 - 670 = 749 + 4 + 296 = 802 - 582 - 118 = 421 - 179 - 221 = 281 + 219 + 319 = 34 + 324 + 16 = 586 + 250 - 506 = 147 - 17 - 23 = 686 - 265 + 214 = 491 + 209 + 252 = 561 + 289 + 411 = 591 + 171 - 541 = 940 - 65 - 35 = 258 + 442 + 304 = 735 - 215 - 185 = 437 - 321 + 463 = 289 - 168 + 311 = 715 - 596 - 104 = 412 + 288 + 156 = 851 - 9 - 11 = 233 + 101 - 183 = 104 + 796 + 771 = 537 + 296 + 163 = 562 - 66 - 4 =507 + 93 + 692 = 99 + 201 + 260 = 217 + 34 + 266 = 560 - 5 - 75 = 932 - 446 - 154 = 110 - 34 + 390 = 714 + 775 - 684 = 925 - 88 - 835 = 655 + 194 + 45 = 798 + 458 + 442 = 949 - 363 - 149 = 443 - 51 - 149 = 515 + 444 + 285 =月日姓名:练习范围:加法交换律和结合分秒成绩:律题数:10050 + 89 + 211 = 401 + 408 + 499 = 791 - 40 - 191 = 554 + 27 + 43 = 60 + 40 + 33 = 525 - 25 - 475 = 787 - 196 - 587 = 664 + 136 + 487 = 649 + 605 - 569 = 188 + 284 + 412 = 234 + 531 + 369 = 551 - 482 + 249 = 740 - 626 - 40 = 501 + 857 - 421 = 542 - 501 + 158 = 938 + 378 - 438 = 128 + 939 + 172 = 406 + 989 + 194 = 393 + 53 + 307 = 845 + 358 - 795 = 453 + 111 + 689 = 459 - 269 + 341 = 347 + 153 + 71 = 731 - 663 + 69 = 922 - 696 - 4 = 567 + 271 + 629 = 985 - 762 - 185 = 216 + 773 + 284 = 671 - 588 + 229 = 558 - 125 - 58 = 766 - 199 - 366 = 611 + 698 + 2 = 903 + 287 - 3 = 664 + 951 - 164 = 634 + 494 + 266 = 397 + 854 - 297 = 319 + 481 + 563 = 719 - 647 - 19 = 118 + 323 + 182 = 629 + 853 - 429 = 682 + 546 - 82 = 500 - 29 + 200 = 442 + 58 + 373 = 587 - 3 - 527 = 552 + 679 - 52 =286 + 563 + 114 = 75 + 932 + 825 = 832 - 106 - 432 = 911 - 321 - 311 = 785 + 549 + 251 = 412 + 655 - 342 = 461 + 439 + 804 = 143 - 91 + 457 = 477 - 476 + 323 = 429 - 15 - 359 = 4 + 696 + 183 = 4 + 740 + 296 = 10 + 890 + 435 = 340 + 53 + 347 = 737 - 7 - 337 = 592 + 387 + 308 = 827 - 10 - 427 = 431 + 702 - 411 = 388 + 402 - 338 = 626 - 129 - 371 = 987 - 18 - 82 = 425 + 475 + 311 = 390 + 210 + 141 = 319 + 168 - 229 = 18 + 225 + 382 = 703 - 58 - 203 = 172 + 51 + 528 = 559 + 241 + 276 = 111 + 389 + 378 = 994 - 747 - 53 = 479 + 405 - 379 = 199 + 277 + 323 = 958 - 200 - 200 = 838 + 56 - 138 = 507 - 485 + 293 = 150 + 450 + 56 = 243 - 86 - 114 = 283 - 130 + 117 = 36 + 528 + 864 = 526 - 32 - 38 = 68 + 232 + 923 = 179 - 177 + 721 = 627 - 114 + 73 = 983 + 286 - 883 = 726 + 269 + 531 = 834 + 12 + 68 = 499 + 201 + 183 = 606 - 293 - 307 = 628 - 233 - 128 = 476 - 287 - 76 = 924 - 59 - 124 = 759 - 603 + 141 = 727 + 36 + 464 = 36 + 875 + 464 = 398 - 33 + 102 =月日姓名:练习范围:加法交换律和结合分秒成绩:律题数:100893 + 778 + 122 = 925 + 180 + 620 = 85 + 382 + 215 = 689 + 370 + 11 = 31 + 43 + 469 = 834 + 139 + 761 = 145 + 755 + 828 = 969 - 497 - 103 = 475 - 13 - 425 = 839 - 89 - 311 = 939 - 226 - 674 = 217 + 13 + 37 = 671 - 29 - 51 = 484 - 370 + 316 = 700 + 566 + 34 = 234 + 298 + 202 = 898 - 413 - 87 = 653 + 455 - 453 = 790 - 264 - 390 = 355 - 224 + 545 = 44 + 506 + 856 = 628 + 172 + 571 = 924 - 450 - 350 = 164 - 60 + 636 = 798 - 140 - 60 = 594 - 140 - 160 = 839 + 350 + 50 = 190 + 445 + 410 = 592 + 182 - 552 = 913 + 712 - 863 = 886 + 14 + 808 = 366 - 106 + 234 = 5 + 75 + 43 = 195 - 36 - 34 = 424 + 889 + 376 = 50 + 351 - 30 = 526 + 4 + 86 = 618 - 520 + 182 = 906 + 814 - 706 = 66 + 534 + 874 = 60 - 3 - 47 = 403 + 504 - 383 = 742 - 6 - 54 = 324 + 561 - 284 = 358 + 342 + 633 =905 + 875 - 205 = 308 - 19 - 108 = 508 + 414 + 292 = 306 + 167 + 394 = 428 + 15 + 785 = 495 + 614 - 445 = 467 + 181 + 619 = 785 - 420 - 185 = 325 + 197 + 103 = 275 + 665 - 265 = 593 - 481 + 307 = 837 - 529 - 71 = 265 + 873 + 27 = 291 - 39 + 509 = 715 - 84 + 85 =95 + 860 + 705 = 325 + 175 + 822 = 545 - 474 + 355 = 218 + 630 - 178 = 34 + 61 + 666 = 938 + 371 + 429 = 455 - 171 + 245 = 871 - 430 - 370 = 553 - 32 - 453 = 476 + 790 + 24 = 68 - 12 - 18 = 364 + 111 + 136 = 669 - 432 + 31 = 642 + 158 + 222 = 826 - 10 - 790 = 875 - 185 - 75 = 496 + 204 + 29 = 655 - 603 + 45 = 359 + 241 + 278 = 891 - 805 + 9 = 864 - 93 - 707 =3 + 77 + 140 = 512 + 238 + 162 = 934 - 31 - 169 = 12 + 278 + 588 = 713 - 13 - 693 = 235 + 818 + 165 = 416 - 97 + 384 = 806 - 56 - 44 = 768 - 296 + 32 = 184 + 267 + 433 = 561 + 32 - 501 = 113 + 164 + 387 = 686 + 972 - 636 = 335 + 326 - 235 = 730 + 787 + 113 = 398 + 202 + 904 = 319 - 179 - 21 = 596 + 433 + 367 = 4 + 596 + 173 =月日姓名:练习范围:加法交换律和结合分秒成绩:律题数:100438 - 128 + 262 = 509 + 291 + 334 = 186 + 250 + 350 = 52 + 940 + 28 = 652 - 38 - 592 = 812 + 547 + 353 = 983 - 681 - 83 = 136 + 364 + 223 = 30 + 304 + 196 = 535 - 285 + 365 = 756 - 522 - 56 = 700 - 27 + 200 = 4 + 165 + 335 = 975 - 71 - 775 = 476 - 93 + 24 = 835 - 516 - 135 = 991 - 11 - 191 = 150 - 80 + 750 = 749 - 216 - 84 = 652 + 290 + 610 = 427 - 145 + 173 = 560 - 297 - 103 = 842 - 78 - 142 = 473 - 399 + 127 = 679 - 23 - 379 = 671 - 210 - 190 = 115 - 10 + 385 = 715 - 7 - 705 = 665 - 66 + 35 = 138 - 55 + 162 = 872 - 498 - 72 = 945 - 767 - 45 = 943 - 600 - 200 = 97 + 227 + 173 = 575 - 515 + 225 = 873 - 77 - 673 = 750 - 555 - 145 = 360 + 40 + 99 = 410 + 90 + 134 = 204 + 792 - 104 = 462 + 238 + 401 = 801 - 95 - 101 = 343 + 312 + 88 = 484 + 316 + 634 = 192 + 8 + 961 =885 - 238 - 462 = 3 + 729 + 797 = 523 - 186 + 177 = 138 + 981 + 162 = 578 - 62 - 138 = 745 + 651 + 249 = 934 - 31 - 834 = 146 + 819 + 81 = 789 - 205 - 89 = 97 + 19 + 71 = 214 + 925 - 204 = 489 - 40 - 160 = 559 - 106 - 194 = 17 + 283 + 860 = 367 - 128 + 433 = 942 - 167 - 642 = 10 + 146 + 80 = 382 - 194 + 118 = 78 + 13 + 12 = 741 - 378 - 122 = 127 + 118 + 382 = 129 + 674 + 471 = 19 + 766 + 781 = 723 + 234 - 323 = 558 - 300 - 158 = 164 + 698 - 124 = 727 - 465 + 73 = 189 + 211 + 875 = 67 + 633 + 364 = 668 + 423 + 177 = 632 + 421 + 168 = 82 + 861 - 52 = 981 - 23 - 911 = 417 + 657 + 383 = 576 - 78 - 276 = 33 + 667 + 537 = 756 - 501 - 56 = 152 + 378 - 62 = 190 + 240 - 160 = 461 + 543 - 451 = 870 - 199 - 301 = 855 + 662 + 238 = 895 + 15 - 855 = 178 - 165 + 222 = 337 + 997 + 263 = 25 + 463 + 237 = 81 + 768 + 32 = 981 + 452 - 281 = 65 - 15 + 5 = 942 - 25 - 42 = 213 + 587 + 96 = 505 - 17 - 483 = 130 - 60 + 70 = 884 - 49 - 484 = 805 + 782 - 605 =月日姓名:练习范围:加法交换律和结合分秒成绩:律题数:100943 + 192 + 8 = 470 + 930 - 440 = 165 + 777 + 335 = 703 - 73 - 623 = 507 + 981 + 393 = 364 + 156 + 436 = 527 - 177 - 323 = 749 + 974 - 549 = 767 + 775 - 727 = 268 + 190 + 432 = 651 - 514 + 49 = 829 - 74 - 726 = 881 - 38 - 281 = 362 - 181 - 162 = 569 - 329 + 31 = 243 - 156 + 457 = 997 - 439 - 161 = 100 + 200 + 871 = 574 - 360 + 226 = 626 + 55 - 616 = 606 + 294 + 337 = 922 - 191 - 222 = 689 - 72 + 111 = 165 - 29 - 31 = 384 + 917 + 516 = 667 + 3 + 397 = 768 + 731 - 738 = 930 + 63 + 437 = 94 + 291 - 34 = 227 + 442 + 358 = 715 - 274 - 215 = 530 + 550 - 130 = 276 + 145 - 206 = 1 + 19 + 472 = 77 + 579 + 723 = 485 - 104 - 196 = 113 - 20 + 587 = 748 + 647 + 153 = 728 - 287 - 128 = 16 + 383 + 484 = 471 + 510 + 90 = 595 + 212 - 525 = 289 - 4 - 199 = 205 - 50 + 95 = 243 + 157 + 102 =765 + 692 + 35 = 203 + 83 + 517 = 688 + 335 - 608 = 1 + 402 + 99 = 695 - 623 + 5 = 747 + 630 - 347 = 37 + 43 + 283 = 746 - 270 + 154 = 749 + 52 + 51 = 946 + 94 - 746 = 511 - 2 - 411 = 722 + 126 + 674 = 189 - 94 + 411 = 918 - 113 - 787 = 578 + 240 - 528 = 48 + 847 + 53 = 825 - 744 + 75 = 126 + 191 + 309 = 623 - 380 + 277 = 684 - 8 - 32 = 793 - 347 + 7 = 852 + 785 - 52 = 777 + 153 + 123 = 804 - 14 - 754 = 537 - 121 - 379 = 749 - 564 - 136 = 683 + 247 + 217 = 818 - 784 - 16 = 575 + 921 - 475 = 94 + 506 + 327 = 928 - 18 - 52 = 730 - 412 - 88 = 664 + 629 - 584 = 728 + 802 - 228 = 124 + 748 + 176 = 451 + 575 + 225 = 246 + 192 + 608 = 382 - 39 - 292 = 787 - 195 + 13 = 948 + 405 + 195 = 971 - 13 - 387 = 954 - 469 - 454 = 262 + 773 - 162 = 628 + 336 - 588 = 655 + 45 + 229 = 535 + 310 - 35 = 34 + 159 + 36 = 798 + 508 + 292 = 299 + 380 + 401 = 47 + 853 + 877 = 72 + 497 + 428 = 643 + 192 + 608 = 58 + 32 + 711 = 757 - 46 - 667 = 965 + 672 - 565 =月日姓名:练习范围:加法交换律和结合分秒成绩:律题数:100270 + 11 + 89 = 469 - 190 - 169 = 320 + 360 + 440 = 692 + 588 + 108 = 6 + 932 + 44 = 983 - 116 - 683 = 11 + 289 + 332 = 57 + 637 + 543 = 343 + 899 + 57 = 264 - 82 - 174 = 897 - 15 - 85 = 303 - 63 + 497 = 267 + 433 + 362 = 69 + 631 + 967 = 92 + 15 + 15 = 682 - 70 - 20 = 133 + 667 + 928 = 383 + 705 - 323 = 626 - 357 + 74 = 741 - 321 - 241 = 324 + 212 - 304 = 690 - 201 - 199 = 752 + 233 - 652 = 210 + 933 + 90 = 666 + 234 + 618 = 225 - 36 - 24 = 540 - 486 + 160 = 888 - 598 - 202 = 964 + 578 + 22 = 801 - 112 - 688 = 774 - 331 + 126 = 300 + 204 + 96 = 580 + 454 + 446 = 829 - 122 + 71 = 706 - 596 - 106 = 490 - 485 + 10 = 465 - 115 + 35 = 718 + 65 + 435 = 10 + 790 + 176 = 573 + 926 - 543 = 956 + 388 + 212 = 794 - 26 - 714 = 560 - 260 + 40 = 560 + 110 + 190 = 498 - 80 - 20 =670 - 23 - 580 = 918 - 75 - 118 = 522 + 178 + 386 = 827 + 926 - 427 = 931 + 903 - 901 = 694 + 116 + 206 = 909 - 315 - 509 = 351 - 51 - 261 = 718 - 176 - 424 = 48 + 913 + 2 = 997 + 146 - 977 = 681 + 307 + 293 = 257 + 543 + 343 = 819 - 17 - 779 = 883 - 133 - 483 = 140 - 32 - 48 = 600 - 56 + 0 = 768 + 877 - 268 = 904 - 11 - 19 = 956 - 677 - 223 = 330 - 18 - 72 = 798 - 247 - 498 = 781 + 469 + 331 = 851 - 284 - 316 = 972 - 430 - 470 = 10 + 538 + 690 = 145 - 13 + 155 = 777 + 123 + 309 = 342 + 424 + 476 = 713 - 445 - 13 = 927 + 299 + 1 = 999 - 9 - 929 = 968 - 814 - 68 = 72 + 444 - 22 = 606 + 326 + 474 = 660 + 468 + 40 = 269 - 95 + 231 = 248 + 148 + 152 = 799 + 101 + 528 = 536 + 764 - 516 = 31 + 369 + 900 = 726 - 472 + 74 = 566 - 59 - 466 = 254 - 35 + 246 = 160 + 228 + 472 = 188 - 16 - 24 = 516 + 184 + 217 = 704 - 640 - 60 = 735 - 474 - 26 = 753 + 601 + 299 = 582 + 158 + 542 = 907 - 233 - 467 = 205 + 590 + 395 = 942 + 356 - 342 = 719 + 142 + 358 =。

加法交换律结合律和乘法交换律结合律练习题

加法交换律结合律和乘法交换律结合律练习题

加法交换律结合律和乘法交换律结合律练习题加法交换律、结合律和乘法交换律、结合律是数学中常见的运算规律。

通过练习题的形式来巩固和理解这些规律,可以帮助我们更好地应用它们,提高我们的数学能力。

下面是一些加法交换律、结合律和乘法交换律、结合律的练习题,希望能够对你有所帮助。

1. 加法交换律练习题:a) 计算:5 + 2 + 8 = ?b) 用加法交换律将下面的算式改写:7 + 2 + 3 = ?c) 用加法交换律将下面的算式改写:9 + 6 + 1 = ?2. 加法结合律练习题:a) 计算:(4 + 6) + 3 = ?b) 用加法结合律将下面的算式改写:2 + (3 + 7) = ?c) 用加法结合律将下面的算式改写:(8 + 2) + 5 = ?3. 乘法交换律练习题:a) 计算:6 × 3 × 2 = ?b) 用乘法交换律将下面的算式改写:4 × 7 × 8 = ?c) 用乘法交换律将下面的算式改写:9 × 5 × 2 = ?4. 乘法结合律练习题:a) 计算:(2 × 3) × 4 = ?b) 用乘法结合律将下面的算式改写:5 × (6 × 8) = ?c) 用乘法结合律将下面的算式改写:(7 × 2) × 9 = ?解答:1. 加法交换律练习题:a) 5 + 2 + 8 = 15b) 7 + 2 + 3 = 3 + 2 + 7 = 12c) 9 + 6 + 1 = 1 + 9 + 6 = 162. 加法结合律练习题:a) (4 + 6) + 3 = 10 + 3 = 13b) 2 + (3 + 7) = 2 + 10 = 12c) (8 + 2) + 5 = 10 + 5 = 153. 乘法交换律练习题:a) 6 × 3 × 2 = 36b) 4 × 7 × 8 = 7 × 4 × 8 = 56 × 8 = 448c) 9 × 5 × 2 = 5 × 9 × 2 = 45 × 2 = 904. 乘法结合律练习题:a) (2 × 3) × 4 = 6 × 4 = 24b) 5 × (6 × 8) = 5 × 48 = 240c) (7 × 2) × 9 = 14 × 9 = 126通过以上的练习题,我们可以看到加法交换律、结合律和乘法交换律、结合律的运用。

加法结合律

加法结合律
情感态度价值观目标:形成“具体问题具体分析”的辩证唯物主义思想。
【教学重难点】
教学重点:对加法结合律的掌握和运用。
教学难点:加法结合律的推导过程。
【教学准备】
教师准备:幻灯片
学生准备:课本、习题本
【教学过程】
一、复习旧知,导入新课
【复习旧知】同学们,上节课我们已经学习了加法交换律,老师来检验一下大家掌握得怎么样。
759-126-259 569-256-44216+89+1148+56
514+189—214369—256+156732—254—512+(373—212)228+(72+189)
169+199 109+(291—176)
二、选择(把正确答案的序号填入括号内)(8分)
1、56+72+28=56+(72+28)运用了()
加法交换律和结合律练习题加法交换律和结合律练习题一口算我最棒480101598993962822431895759148211898619994737963三怎样简便就怎样计算353552601402456451802451022478422987287135478256144672366436643664487287139615002573414320003681321814378422155264364469829195686817856119583821653582155256459823618964759126259569256442168911485651418921436925615673225451237321222872189169199109291176二选择把正确答案的序号填入括号内8a加法交换律b加法结合律c乘法结合律d加法交换律和结合律22584a258254b258254c2548d2584a乘法交换律b乘法结合律c乘法分配律d乘法交换律和结合律4101125a1001251b125100125c1251001d1001251125一口算我480101598992103512537839628224318957271673166210035497442559148211899i26125158986199947379631361011361259912516三怎样简便就怎样计算35125645180245382101382460508358356435125322546101569926102247842298728713547825614467236643664366448728713961500257341432000368132181437842289998915526436442520488225225126982919568681785611958382165358215525645982361896475912625925794569256442168911571258105015772002430219993798581017610278467854169123231693799371291011291496914914932565156485612525322425125485141892143692561567322545625412524732624169832512

交换律和结合律练习题

交换律和结合律练习题

交换律和结合律练习题在数学中,交换律和结合律是基本的运算法则。

它们被广泛应用于各个数学领域,如代数、几何等。

掌握这两个法则对于解题和推理都非常重要。

本文将提供一些交换律和结合律的练习题,旨在帮助读者加深对这两个法则的理解和运用。

一、加法交换律加法交换律指的是:对于任意的两个数a和b,a + b = b + a。

即加法运算中,交换数的位置不会改变运算结果。

下面是一些练习题,通过计算验证加法交换律的成立。

1. 计算:5 + 3和3 + 5的结果是否相等?2. 计算:12 + 7和7 + 12的结果是否相等?3. 计算:-4 + 9和9 + (-4)的结果是否相等?解答:1. 5 + 3 = 8,3 + 5 = 8,结果相等。

2. 12 + 7 = 19,7 + 12 = 19,结果相等。

3. -4 + 9 = 5,9 + (-4) = 5,结果相等。

从以上计算可以看出,根据加法交换律,无论两个数的顺序如何交换,其结果是相等的。

二、乘法交换律乘法交换律指的是:对于任意的两个数a和b,a * b = b * a。

即乘法运算中,交换数的位置不会改变运算结果。

下面是一些乘法交换律的练习题。

1. 计算:3 * 4和4 * 3的结果是否相等?2. 计算:-5 * 2和2 * (-5)的结果是否相等?3. 计算:0 * 9和9 * 0的结果是否相等?解答:1. 3 * 4 = 12,4 * 3 = 12,结果相等。

2. -5 * 2 = -10,2 * (-5) = -10,结果相等。

3. 0 * 9 = 0,9 * 0 = 0,结果相等。

根据乘法交换律,无论两个数的顺序如何交换,其结果是相等的。

三、加法结合律加法结合律指的是:对于任意的三个数a、b和c,(a + b) + c = a + (b + c)。

即在连续的加法运算中,数的位置可以任意移动,结果不会改变。

下面是一些加法结合律的练习题。

1. 计算:(2 + 3) + 4和2 + (3 + 4)的结果是否相等?2. 计算:(6 + 9) + 3和6 + (9 + 3)的结果是否相等?3. 计算:(-8 + 5) + 2和-8 + (5 + 2)的结果是否相等?解答:1. (2 + 3) + 4 = 5 + 4 = 9,2 + (3 + 4) = 2 + 7 = 9,结果相等。

《加法交换律加法结合律》同步练习及答案

《加法交换律加法结合律》同步练习及答案

《加法交换律和加法结合律》同步练习一、填空题1、根据加法运算律填空。

(1)两个数相加,交换加数的()和不变。

,这叫做(),用字母表示是()。

(2)三个数相加,先把()相加,或者先把()相加,()不变,这叫做(),用字母表示是()2、填一填。

(1)如果用a和b分别表示两个加数,那么加法交换律可表示为____________。

(2)如果用a,b和c分别表示三个加数,那么加法结合律可以表示为______________。

二、我会选(1)下面算式中应用加法结合律的是()A.16+48=48+16B.135+47+53=135+(47+53)C.51+67+82=51+82+67(2)472+46+54=472+(46+54)应用了()。

A.加法交换律B.加法结合律C.加法交换律和加法结合律(3)25+63+75=63+(25+75),这里运用了()。

A. 加法交换律B.加法结合律C.加法交换律和加法结合律三、比较每组算式的大小。

(48+29)+52 29+(48+52)361+96+104 (96+104)+361452+(348+m)(452+348)+m四、怎样算简便就怎样算。

65+29+71 143+(57+26)322+178+37+63 89+(43+211)305+178+495 208+154+46+92五、解决问题1、养禽专业户王大伯家有鸡108只,鸭187只,鹅92只,王大伯家一共有家禽多少只?2、“四季春”花店第一天的营业额是468元,第二天上午的营业额是244元,下午的营业额是156元。

这两天的营业额一共是多少元?3、一年级植树38棵。

二年级植树42棵。

三年级植树40棵。

四年级植树45棵。

五年级植树51棵。

六年级植树62棵。

参考答案一、填空题1、根据加法运算律填空。

(1)两个数相加,交换加数的(位置)和不变,这叫做(加法交换律),用字母表示是(a+b=b+a)。

(2)三个数相加,先把(前两个数)相加,或者先把(后两个数)相加,(和)不变,这叫做(加法结合律),用字母表示是((a+b)+c=a+(b+c))2、填一填。

加法交换律和结合律练习题

加法交换律和结合律练习题

加法互换律和结合律练习题一、口算我最棒480—101=598+99= 396—28—22= 43+189+57=59 1+482+118 986+1999 473+79-63三、如何简便就如何计算(35分)。

355+260+140+245 645-180-2451022-478-422987-(287+135) 478-256-144 672-36+6436+64-36+64 487-287-139-61 500-257-34-143-368-132 1814-378-422 155+264+36+44 698-291-9 568-(68+178) 561-19+58 382+165+35-82 155+256+45-98 236+189+64759-126-259 569-256-44 216+89+1148+56 514+189—214 369—256+156 732—254—512+(373—212) 228+(72+189)169+199 109+(291—176)二、选择(把对旳答案旳序号填入括号内)(8分)1、56+72+28=56+(72+28)运用了()A、加法互换律B、加法结合律C、乘法结合律D、加法互换律和结合律2、25×(8+4)=()A、25×8×25×4B、25×8+25×4C、25×4×8D、25×8+43、3×8×4×5=(3×4)×(8×5)运用了()A、乘法互换律B、乘法结合律C、乘法分派律D、乘法互换律和结合律4、101×125= ( )A、100×125+1B、125×100+125C、125×100×1D、100×125×1×125一、口算我最棒480—101= 598+99= 210÷35= 18×ll= 125×37×8=396—28—22= 43+189+57= 27×16+73×16= 62×(100+l)= (35+49)÷7=44×25591+482+118 99×I26 125×15×8 986+1999 473+79-63136×101-136(125×99+125)×16三、如何简便就如何计算(35分)。

(2021年整理)加法交换律和结合律练习题

(2021年整理)加法交换律和结合律练习题

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加法交换律和结合律练习题一、简便运算136×101—136 99×126 125×15×818×ll125×37×8 396-28—22 43+189+57 27×16+73×1662×(100+l)44×25 591+482+118 473+79-73二、怎样简便就怎样计算355+260+140+245 102×992×125 645—180—245382×101—382 4×60×50×835×8+35×6—4×35 125×3225×46101×5699×26 1022-478-422 987-(287+135) 478-256-144 216+89+1136+64-36+64 487-287-139-61 500-257-34-1432000-368-132 1814-378-422 89×99+89155+264+36+44 25×(20+4)88×225+225×12 698-291-9 382+165+35-82 759—126-25958×101 236+189+64 25×79×4569-256—44 87×125×8 85×9937×10278×46+78×54 169-19+58169×123—23×16937×99+37 48+56125×25×3224×25129×101-129 149×69—149+149×3256×51+56×49 125×48 514+189—214 369—256+156 732—254-14656×25×4×12524×73+26×2416×98+32 512+(373—212) 228+(72+189) 109+(291—176)。

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加法交换律和结合律练习题
一、口算我最棒
480—101=598+99=396—28—22=43+189+57=59 1+482+118 986+1999 473+79-63
三、怎样简便就怎样计算(35分)。

355+260+140+245 645-180-245 1022-478-422 987-(287+135)478-256-144 672-36+64
36+64-36+64 487-287-139-61 500-257-34-143 2000-368-132 1814-378-422 155+264+36+44 698-291-9 568-(68+178)561-19+58 382+165+35-82 155+256+45-98 236+189+64 759-126-259 569-256-44 216+89+11 48+56 514+189—214 369—256+156 732—254—512+(373—212)228+(72+189)
169+199 109+(291—176)
二、选择(把正确答案的序号填入括号内)(8分)
1、56+72+28=56+(72+28)运用了()
A、加法交换律
B、加法结合律
C、乘法结合律
D、加法交换律和结合律
2、25×(8+4)=()
A、25×8×25×4
B、25×8+25×4
C、25×4×8
D、25×8+4
3、3×8×4×5=(3×4)×(8×5)运用了()
A、乘法交换律
B、乘法结合律
C、乘法分配律
D、乘法交换律和结合律
4、101×125= ()
A、100×125+1
B、125×100+125
C、125×100×1
D、100×125×1×125
一、口算我最棒
480—101= 598+99= 210÷35= 18×ll= 125×37×8= 396—28—22= 43+189+57= 27×16+73×16= 62×(100+l)=(35+49)÷7=
44×25 591+482+118 99×I26 125×15×
8 986+1999 473+79-63 136×101-136
(125×99+125)×16
三、怎样简便就怎样计算(35分)。

355+260+140+245 102×99 2×
125 645-180-245 382×101-382 4×60×50×
8 35×8+35×6-4×35 125×32 25×46 101×56 99×26 1022-478-422 987-(287+135) 478-256-144 672-36+64 36+64-36+
64 487-287-139-61 500-257-34-143 2000-368-132 1814-378-422 89×99+89 155+264+36+44 25×(20+4) 88×225+225×12 698-291-9
568-(68+178) 561-19+58 382+165+35-82 155+256+45-98 236+189+64 759-126-259 25×79×
4 569-256-44 216+89+11 57×125×8 1050÷15÷
7 7200÷24÷30 219 ×99 37 ×98 58 ×
101 76 ×10278×46+78×54 169×123—23×169 37×99+37
129×101—129 149×69—149+149×32 56×51+56×
48+56 125×25×32 24×25
125×48 514+189—214 369—256+156 732—254
— 56×25×4×125 24×73+26×24 16×
98+32 512+(373—212) 228+
(72+189) 169+199 109+(291—176)
二、选择(把正确答案的序号填入括号内)(8分)
1、56+72+28=56+(72+28)运用了()
A、加法交换律
B、加法结合律
C、乘法结合律
D、加法交换律和结合律
2、25×(8+4)=()
A、25×8×25×4
B、25×8+25×4
C、25×4×8
D、25×8+4
3、3×8×4×5=(3×4)×(8×5)运用了()
A、乘法交换律
B、乘法结合律
C、乘法分配律
D、乘法交换律和结合律
4、101×125= ()
A、100×125+1
B、125×100+125
C、125×100×1
D、100×125×1×125。

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