1000以内加减法,三位数加减法
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51 - 19 = 531 + 72 = 432 + 144 = 17 + 143 = 478 - 369 = 662 - 279 = 198 - 129 = 880 - 404 = 179 + 407 = 844 + 65 = 877 + 96 = 814 + 57 = 334 + 236 = 702 - 33 = 954 + 34 = 311 - 182 = 93 - 9 = 915 + 1 = 30 - 5 = 127 - 92 = 354 + 437 = 437 - 50 = 91 + 241 = 841 + 10 = 489 - 226 = 537 + 348 = 461 + 378 = 162 + 578 = 433 + 393 = 179 + 624 = 328 + 327 = 981 - 232 = 24 + 111 = 407 + 548 = 369 - 72 = 956 - 471 = 857 - 692 = 979 - 134 = 685 + 296 = 900 - 754 = 346 - 156 = 819 + 15 = 805 - 146 = 498 + 240 = 831 - 457 = 618 + 71 = 895 + 58 = 855 - 30 = 408 - 338 = 155 - 141 = 254 - 148 = 406 - 204 = 167 - 95 = 323 + 234 = 740 + 44 = 828 - 309 = 523 - 309 = 810 + 73 = 681 - 456 = 385 + 377 = 755 + 235 = 529 - 228 = 602 + 192 = 929 - 0 = 541 - 219 = 326 - 96 = 749 + 87 = 832 + 118 = 893 - 546 = 347 + 144 = 746 - 76 = 25 - 6 = 781 - 745 = 892 - 130 = 225 - 62 = 927 - 593 = 163 + 168 = 502 + 355 =
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47 - 22 = 334 - 268 = 683 + 121 = 940 - 610 = 801 - 131 = 763 + 99 = 793 - 223 = 312 + 142 = 290 - 282 = 615 + 204 = 827 + 76 = 476 - 123 = 801 - 20 = 841 - 430 = 572 + 314 = 758 - 429 = 956 + 14 = 276 + 588 = 963 - 500 = 522 - 383 = 884 - 782 = 148 + 261 = 446 + 196 = 304 - 34 = 798 + 159 = 237 + 375 = 974 + 20 = 860 - 632 = 985 + 4 = 720 - 639 = 888 - 395 = 992 - 659 = 901 + 59 = 108 - 78 = 567 + 313 = 663 + 260 = 962 + 30 = 696 + 59 = 890 - 230 = 114 - 0 = 652 - 275 = 282 + 444 = 756 + 51 = 114 + 849 = 51 - 20 = 630 - 580 = 603 + 51 = 35 + 408 = 108 - 19 = 551 + 252 = 872 - 220 = 460 + 250 = 452 - 59 = 741 + 200 = 427 - 325 = 368 + 17 = 829 + 26 = 651 + 94 = 878 - 294 = 180 + 68 = 581 + 232 = 865 - 817 = 529 + 212 = 543 + 42 = 445 - 57 = 629 + 320 = 345 + 520 = 954 - 207 = 775 + 108 = 296 - 256 = 785 - 228 = 321 + 143 = 571 + 286 = 699 + 141 = 446 - 279 = 675 + 259 = 747 - 690 = 132 - 59 =
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146 + 73 = 822 + 36 = 493 + 383 = 539 - 437 = 36 - 1 = 365 - 121 = 916 - 332 = 897 - 615 = 583 + 29 = 528 - 299 = 340 + 246 = 581 + 48 = 54 - 33 = 599 - 197 = 618 - 69 = 136 + 92 = 238 - 105 = 858 + 24 = 651 + 326 = 662 - 148 = 20 + 970 = 124 - 37 = 290 + 558 = 428 - 326 = 898 + 101 = 938 - 533 = 955 - 250 = 928 - 299 = 592 - 44 = 798 + 45 = 796 - 601 = 112 + 838 = 921 - 278 = 653 + 163 = 974 - 111 = 297 - 124 = 311 + 92 = 402 - 306 = 106 + 283 = 155 - 129 = 551 + 42 = 905 - 834 = 800 + 137 = 505 - 174 = 575 + 214 = 520 + 10 = 695 - 35 = 293 + 347 = 83 + 367 = 739 + 22 = 817 - 124 = 821 + 16 = 896 + 25 = 606 + 67 = 383 - 351 = 332 + 372 = 828 - 130 = 880 - 687 = 734 - 380 = 980 - 440 = 157 - 0 = 895 - 311 = 409 + 144 = 871 - 462 = 30 + 700 = 215 + 557 = 851 + 8 = 420 - 69 = 256 + 467 = 254 - 195 = 402 - 52 = 584 - 222 = 219 + 433 = 741 - 106 = 680 - 178 = 200 + 543 = 162 - 123 = 765 - 57 =
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