小学数学简便计算题完整版
小学数学简便运算练习题
小学数学简便运算练习题小学数学简便运算练习题(13×8)×125 20×(17×5)14×20×5 276×38+276×62 25×(40×32)(5×7)×80 8×14×125×616×25×5×4 25×13×4 3×12×5 23×4×5 40×7×3×525×6×4×5 3475-1999 2843-598 (8×6)×125 4×8×25×125 259+468+741+532 36×25 (15+25)×2 3700-2185-815 12×25 28×25 125×(8+4) 25×(8+40) 125×24 25×24 16×25×19 32×125 44×250 125×56 20×12×5×3 724-298 25×16 75×25×2×4 345+497 16×(37+12) 48×19+52×19 64×125 25×48 (25+7)×4 32+144+68+56 847-2974×7×25×3 60×(15+500) 248+198 435+1999 8×(125+9) 46×18+54×18 (400+16)×5 170×4+80×4 103×56 13×68+13×32 (2+4)×15 5×(20+6) 8×23+8×27 9×6+4×9 6×29+6×71 5×116+5×84 (125+12)×829×317+317×71 99×14 75×99+75 102×36 49×80+80 230-216-184 48×125 (25×30)×4 18×8×125×2 125×(8×6) 25×44 4×20×75×5 67×9+33×9 4×(25×30) 4×(25+150+75) 12×15+12×35 32×25 13×5+41×5+26×5 5×(18+20) 52×98 9×99+99 36×5+36×5 38×99+38 5×(18×20) 31×128-28×31 (25+250)×4 (125×125)×8 46×10130.8÷[14-(9.85+1.07)] [60-(9.5+28.9)]÷0.182.881÷0.43-0.24×3.5 20×[(2.44-1.8)÷0.4+0.15]28-(3.4+1.25×2.4) 2.55×7.1+2.45×7.1 777×9+1111×30.8×〔15.5-(3.21+5.79)〕(31.8+3.2×4)÷5 31.5×4÷(6+3)0.64×25×7.8+2.2 2÷2.5+2.5÷2 194-64.8÷1.8×0.936.72÷4.25×9.9 5180-705×6 24÷2.4- 2.5×0.8 (4121+2389)÷7 671×15-974 469×12+1492405×(3213-3189) 3.416÷(0.016×35)0.8×[(10-6.76)÷1.2] 19.4×6.1×2.3 5.67×0.2-0.62 18.1×0.92+3.930.0430.24+0.875 0.4×0.7×0.25 0.75×102 100-56.230.78+5.436+1 4.07×0.86+9.12.51、89+124+11+26+48 22、875-147-233.25×125×40×8 4 4、147×8+8×535、125×64 66、0.9+1.08+0.92+0.1用简便方法计算①89+124+11+26+48 ②875-147-23 ③147×8+8×53 ④125×64计算下面各题.1.280+840÷24×5 2 2.85×(95-1440÷24)3.58870÷(105+20×2) 4.80400-(4300+870÷15) 5.1437×27+27×563 6.81432÷(13×52+78)7.125×(33-1) 8.37.4-(8.6+7.24-6.6)计算:(1)156×107-7729 (2)37.85-(7.85+6.4)(3)287×5+96990÷318 (4)1554÷[(72-58)×3]脱式计算2800÷ 100+789 (947-599)+76×641.36×(913-276÷23) 2.(93+25×21)×93.507÷13×63+498 4.723-(521+504)÷255.384÷12+23×371 6.(39-21)×(396÷6)(1)156×[(17.7-7.2)÷3] (2)[37.85-(7.85+6.4)] ×30(3)28×(5+969.9÷318) (4)81÷[(72-54)×9]57×12-560÷35 848-640÷16×12 960÷(1500-32×45)704×25[192-(54+38)]×67 138×25×4(13×125)×(3×8) (12+24+80)×5025×32×125 32×(25+125) 178×101-178 84×36+64×8475×99+2×75 83×102-83×2 98×199123×18-123×3+85×123 50×(34×4)×3 25×(24+16)178×99+17879×42+79+79×57 7300÷25÷4 8100÷4÷75 75×27+19×2 5 31×870+13×310 4×(25×65+25×28) 138×25×4 (13×125)×(3×8)(12+24+80)×50 25×32×125 32×(25+125) 102×76 58×98178×101-178 84×36+64×84 75×99+2×75 83×102-83×2 98×199 123×18-123×3+85×123 50×(34×4)×3 25×(24+16)178×99+178 79×42+79+79×57 7300÷25÷4 8100÷4÷7517×40=100-63=3.2+1.68=2.8×0.4=14-7.4=1.92÷0.04=0.32×500=0.65+4.35=10-5.4=4÷20=3.5×200=1.5-0.06=0.75÷15=0.4×0.8=4×0.25=0.36+1.54=1.01×99=420÷35=25×12=135÷0.5=3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =0.51÷17=32.8+19=5.2÷1.3=1.6×0.4=4.9×0.7=1÷5=6÷12=0.87-0.49=17×40=100-63=3.2+1.68=2.8×0.4=14-7.4=1.92÷0.04=0.32×500=0.65+4.35=10-5.4=4÷20=3.5×200=1.5-0.06=0.75÷15=0.4×0.8=4×0.25=0.36+1.54=1.01×99=420÷35=25×12=135÷0.5=3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =0.51÷17=32.8+19=5.2÷1.3=1.6×0.4=4.9×0.7=1÷5=6÷12=0.87-0.49158+262+138375+219+381+2255001-247-1021-232(181+2564)+2719378+44+114+242+222276+228+353+219(375+1034)+(966+125)(2130+783+270)+101799+999+9999+99999 7755-(2187+755) 2214+638+286 3065-738-1065899+3442357-183-317-357 2365-1086-214497-2992370+19953999+4981883-39812×2575×24138×25×4(13×125)×(3×8)(12+24+80)×50704×2525×32×12532×(25+125)88×125102×7658×98178×101-17884×36+64×8475×99+2×7583×102-83×298×199123×18-123×3+85×123 50×(34×4)×325×(24+16)178×99+17879×42+79+79×577300÷25÷48100÷4÷7516800÷12030100÷210032000÷40049700÷7001248÷243150÷154800÷2521500÷125附加题:2356-(1356-721)1235-(1780-1665)75×27+19×2 531×870+13×3109999+99.99+999.9+9.999 5.4÷1.8+240×1.5 9000÷72×(1.25×0.7×8)61-(1.25+2.5×0.7)[(10-0.8)+9.85]-2÷0.1253^2*3.256783^3-512+5268.32-2569123+456-52*8789+456-78181+2564)+2719378+44+114+242+222276+228+353+219(375+1034)+(966+125)(2130+783+270)+101799+999+9999+999997755-(2187+755)2214+638+2863065-738-1065138×25×4(13×125)×(3×8)(12+24+80)×5025×32×12532×(25+125)178×101-17884×36+64×8475×99+2×7583×102-83×2123×18-123×3+85×123 50×(34×4)×3 25×(24+16)178×99+17879×42+79+79×577300÷25÷48100÷4÷75158+262+138375+219+381+225 5001-247-1021-232 (181+2564)+2719 378+44+114+242+222 276+228+353+219 (375+1034)+(966+125) (2130+783+270)+1017 99+999+9999+99999 7755-(2187+755) 2214+638+286 3065-738-10652357-183-317-357 2365-1086-214138×25×4(13×125)×(3×8)(12+24+80)×5025×32×12532×(25+125)178×101-17884×36+64×8475×99+2×7583×102-83×2123×18-123×3+85×123 50×(34×4)×325×(24+16)178×99+17879×42+79+79×577300÷25÷48100÷4÷752356-(1356-721)1235-(1780-1665)75×27+19×2 531×870+13×3104×(25×65+25×28)2.73 +0.89 +1.274.37 +0.28 +1.63 +5.72 10 -0.432 -2.5689.3 -5.26 -2.7413.4-(3.4+5.2)14.9-(5.2+4.9)18.32 -5.47 -4.3217.29 -5.28 -6.2925 × 6.8 × 0.040.25 × 32 × 0.1256.4 × 1.25× 12.53.28 × 5.7 +6.72 × 5.72.1 × 99 +2.11.7 × 9.9 +0.1723 × 0.1 +2.3 × 9.90.18 +4.26 -0.18 +4.26 0.58 ×1.3 ÷ 0.58 ×1.3 7.3 ÷4 +2.7 × 0.253.75 × 0.5 -2.75 ÷ 25.26 × 0.125 +2.74 ÷ 89.5 ÷(1.9 × 8)12.8 ÷(0.4 × 1.6)930 ÷ 0.6 ÷563.4 ÷ 2.5 ÷ 0.4(7.7 + 1.54)÷ 0.7(11.7 +9.9)÷ 0.96.9+4.8+3.115.89+(6.75-5.89)7.85+2.34-0.85+4.6635.6-1.8-15.6-7.213.75-(3.75+6.48)47.8-7.45+2.5566.86-8.66-1.340.25×16.2×40. 25×32 ×0.1252 .5 ×(4 +0.4)(1.25-0.125)×856.5×9.9+56.55.4×11-5.43.83×4.56+3.83×5.447.09×10.8-0.8×7.093.65×4.7-36.5×0.3713.7×0.25-3.7÷410.7×16.1-1.1×10.7 +10.7 ×53.9÷(1.3×5)63.4÷2.5÷0.41.2+8.9+0.12+1.14×(25×65+25×28)5.7-1.8= 2) 99×84= 3) 1.02×4= 4) 7.34-4=0.45÷0.15= 6) 800×0.03= 7) 3.27-1.27+4.9= 8) 11×25=0.14×50= 10) 0.81÷0.27= 11) 0.24×0.5= 12) 18.2+1.1.5×3= 14) 0.16×30= 15) 5.38+0.45+1.55= 16) 0.56÷0.8=3.6÷0.09= 18) 800×0.03= 19) 200×0.16= 20) 279÷300=0.56÷0.07= 22) 1.5×3= 23) 0.42×3= 24) 46.7-3.8=5.2÷13= 26) 7.34-4= 27) 4.8÷0.3= 28) 0.65×100=5.7-1.8= 30) 4.3÷0.5= 31) 200×0.16= 32) 0.83÷0.1=1.6÷2= 34) 5.4×400= 35) 0.14×50= 36) 10-4.18= 8÷0.01÷400= 38)0.83÷0.1= 39) 0.35+1.45= 40) 800×0.03=0.24×0.5= 42) 1.54+0.7= 43) 2.4+8.06= 44) 3.14+1.36=0.65×100= 46) 1.6÷2= 47) 9.6÷0.8= 48) 2.4÷0.8=2.79÷3= 50) 7-0.23= 51) 1.5×0.5= 52) 0.42÷0.7÷0.6=60×0.8= 54) 7÷3.5= 55) 3.27-1.27+4.9= 56) 8×1.03= 0.85×4= 46) 4.5+6.3= 47) 0.7×1.2= 48) 2.5×0.4=5.4÷1.8+240×1.59000÷72×(1.25×0.7×8)61-(1.25+2.5×0.7)[(10-0.8)+9.85]-2÷0.1253^2*3.256783^3-512+5268.32-2569123+456-52*8789+456-78181+2564)+2719378+44+114+242+222276+228+353+219(375+1034)+(966+125)(2130+783+270)+101799+999+9999+999997755-(2187+755)2214+638+2863065-738-1065138×25×4(13×125)×(3×8)(12+24+80)×5025×32×12532×(25+125)178×101-17884×36+64×8475×99+2×7583×102-83×2123×18-123×3+85×12350×(34×4)×325×(24+16)178×99+17879×42+79+79×577300÷25÷48100÷4÷75158+262+138375+219+381+225 5001-247-1021-232 (181+2564)+2719 378+44+114+242+222 276+228+353+219 (375+1034)+(966+125) (2130+783+270)+1017 99+999+9999+99999 7755-(2187+755) 2214+638+286 3065-738-10652357-183-317-357 2365-1086-214138×25×4(13×125)×(3×8)(12+24+80)×5025×32×12532×(25+125)178×101-17884×36+64×8475×99+2×7583×102-83×2123×18-123×3+85×123 50×(34×4)×325×(24+16)178×99+17879×42+79+79×577300÷25÷48100÷4÷752356-(1356-721)1235-(1780-1665)75×27+19×2 531×870+13×3104×(25×65+25×28)2.73 +0.89 +1.274.37 +0.28 +1.63 +5.72 10 -0.432 -2.5689.3 -5.26 -2.7413.4-(3.4+5.2)14.9-(5.2+4.9)18.32 -5.47 -4.3217.29 -5.28 -6.2925 × 6.8 × 0.040.25 × 32 × 0.1256.4 × 1.25 × 12.53.28 × 5.7 +6.72 × 5.72.1 × 99 +2.11.7 × 9.9 +0.1723 × 0.1 +2.3 × 9.90.18 +4.26 -0.18 +4.26 0.58 ×1.3 ÷ 0.58 ×1.3 7.3 ÷4 +2.7 × 0.253.75 × 0.5 -2.75 ÷ 25.26 × 0.125 +2.74 ÷ 89.5 ÷(1.9 × 8)12.8 ÷(0.4 × 1.6)930 ÷ 0.6 ÷563.4 ÷ 2.5 ÷ 0.4(7.7 + 1.54)÷ 0.7(11.7 +9.9)÷ 0.96.9+4.8+3.115.89+(6.75-5.89)7.85+2.34-0.85+4.6635.6-1.8-15.6-7.213.75-(3.75+6.48)47.8-7.45+2.5566.86-8.66-1.340.25×16.2×40. 25×32 ×0.1252 .5 ×(4 +0.4)(1.25-0.125)×856.5×9.9+56.55.4×11-5.43.83×4.56+3.83×5.447.09×10.8-0.8×7.093.65×4.7-36.5×0.3713.7×0.25-3.7÷410.7×16.1-1.1×10.7 +10.7 ×53.9÷(1.3×5)63.4÷2.5÷0.4(7.7+1.4)÷0.718 ÷(2+9)57.26-(5.26-1.5)得分158+262+138 375+219+381+225 5001-247-1021-232 (181+2564)+2719 378+44+114+242+222 276+228+353+219 (375+1034)+(966+ 125) (2130+783+270)+1017 99+999+9999+99999 7755-(2187+755) 2214+638+286 3065-738-1065 899+344 2357-183-317-357 2365-1086-214 497-299 2370+1995 3999+498 1883-398 12×25 75×24 138×25×4 (13×125)×(3×8 ) (12+24+80)×50简便计算练习题2姓名得分704×25 25×32×125 32×(25+125) 88×125 102×76 58×98 178×101-178 84×36+64×84 75×99+2×75 83×102-83×2 98×199 123×18-123×3+85×123 50×(34×4)×3 25×(24+16)178×99+178 79×42+79+79×57 7300÷25÷48100÷4÷75 16800÷120 30100÷2100 32000÷400 21500÷125 49700÷700 1248÷24 3150÷15 4800÷25 简便计算练习题3姓名得分 2356-(1356-721) 1235-(1780-1665)75×27+19×25 31×870+13×310 4×(25×65+25×28) 第一种(300+6)x12 25x(4+8) 125x(35+8) (13+24)x8 第二种84x101 504x25 78x102 25x204第三种99x64 99x16 638x99 999x99第四种99X13+13 25+199X25 32X16+14X32 78X4+78X3+78X3 第五种125X32X8 25X32X125 88X125 72X125简便计算练习题4姓名得分第六种3600÷25÷4 8100÷4÷75 3000÷125÷8 1250÷25÷5 第七种1200-624-76 2100-728-772 273-73-27 847-527-273 第八种278+463+22+37 732+580+268 1034+780320+102 425+14+186 第九种214-(86+14)787-(87-29)365-(65+118)455-(155+230)第十种576-285+85 825-657+57 690-177+77 755-287+87 第十一种871-299 157-99 363-199 968-599第十二种178X101-178 83X102-83X2 17X23-23X7 35X127-35X16-11X35 简便计算练习题5姓名得分容易出错类型(共五种类型)600-60÷15 20X4÷20X4 736-35X20 25X4÷25X4 98-18X5+25 56X8÷56X8 280-80÷4 12X6÷12X6175-75÷25 25X8÷25X8 80-20X2+60 36X9÷36X936-36÷6-6 25X8÷(25X8) 100+45-100+45 15X97+3100+1-100+1 48X99+1 1000+8-1000+8 5+95X28102+1-102+1 65+35X13 25+75-25+75 40+360÷20-1013+24X8 672-36+64 324-68+32 100-36+64 简便计算练习题6姓名得分26×39+61×26 356×9-56×9 99×55+55 78×101-78 52×76+47×76+76 134×56-134+45×13448×52×2-4×48 25×23×(40+4)999×999+1999 184+98 695+202 864-199 738-301380+476+120 (569+468)+(432+131)704×25256-147-53 373-129+29 189-(89+74)28×4×25 125×32×25 9×72×125简便计算练习题7姓名得分720÷16÷5 630÷42 456-(256-36)102×35 98×42 158+262+138 375+219+381+225 5001-247-1021-232 (181+2564)+2719 378+44+114+242+222 276+228+353+219 (375+1034)+(9 66+125) (2130+783+270)+1017 99+999+9999+99999 7755-(2187+755) 2214+638+286 3065-738-1065 899+344 2357-183-317-357 2365-1086-214497-299 2370+1995 简便计算练习题8姓名得分 3999+498 1883-398 12×25 75×24 138×25×4 (13×125)×(3×8) (12+24+ 80)×50 25×32×125 32×(25+125) 88×125 102×76 178×1 01-178 84×36+64×84 75×99+2×75 98×199 123×18-123×3+85×123 50×(34×4)×3 25×(24+16)178×99+178 79×42+79+79×57 7300÷25÷4 8100÷4÷75 158+262+138 简便计算练习题9姓名得分1248÷24 3150÷15 4800÷25 21500÷125375+219+381+225 5001-247-1021-232 (181+2564)+2719 378+44+114+242+222 276+228+353+219 (375+1034)+(966+125)(2130+783+270)+1017 99+999+9999+99999 7755-(2187+755) 2214+638+286 3065-738-1065 899+344 2357-183-317-357 2365-1086-214 497-2992370+1995 3999+498 1883-398简便计算练习题10姓名得分12×25 75×24 138×25×4 (13×125)×(3×8)(12+24+80)×50 704×25 25×32×125 32×(25+125)88×125 102×76 58×98 178×101-178 84×36+64×84 75×99+2×75 83×102-83×2 98×199123×18-123×3+85×123 50×(34×4)×3 25×(24+16)178×99+178 79×42+79+79×57 21500÷125 7300÷25÷4 8100÷4÷75 16800÷120简便计算练习题11姓名得分(a+b)+ c = a +(b+c) 2.73 +0.89 + 1.27 4.37 + 0.28 + 1.63 + 5.72a-b-c = a -(b+c)10 - 0.432 - 2.568 9.3 - 5.26 - 2.7414.9-(5.2+4.9) 18.32 - 5.47 - 4.32(a × b)×c = a ×(b × c)25 × 6.8 × 0.04 0.25 × 32 × 0.125 6.4 × 1.25 × 12.5c ×(a+b)= c×a +c×b0.45 × 201 0.58 × 10.1 50.2 × 99 4.7 × 9.9简便计算练习题12姓名得分3.28 × 5.7 +6.72 ×5.7 2.1 × 99 + 2.123 × 0.1 +2.3 × 9.9 0.18 +4.26 -0.18 +4.26 0.58 ×1.3 ÷ 0.58×1.3 7.3 ÷4 +2.7 × 0.25 3.75 × 0.5 -2.75 ÷ 2 5.26 ×0.125 +2.74 ÷ 8 a ÷ b ÷ c = a ÷(b × c)6.3 ÷ 1.8 9.5 ÷(1.9 ×8)12.8 ÷(0.4 × 1.6)930 ÷ 0.6 ÷5 63.4 ÷ 2.5 ÷ 0.4 (7.7 + 1.54)÷ 0.7 简便计算练习题13姓名得分6.9+4.8+3.1 15.89+(6.75-5.89)7.85+2.34-0.85+4.66 35.6-1.8-15.6-7.2 13.75-(3.75+6.48) 47.8-7.45+2.5566.86-8.66-1.34 0.25×16.2×4 0.25×32 ×0.125 2 .5 ×(4+0.4) (1.25-0.125)×8 4.8×100.14.2×99 56.5×9.9+56.5 7.09×10.8-0.8×7.093.83×4.56+3.83×5.44 3.65×4.7-36.5×0.37 5.4×11-5.413.7×0.25-3.7÷4 10.7×16.1-1.1×10.7 +10.7 ×50.7777×0.7+0.1111×5.131.5×24.5+0.8×0.564.23×0.028+0.32×0.20.63×1.05+36×0.568.9×1.1×4.7-2.73.6×9.85-5.46+7.62.8×0.5+1.58+6.58×4.57.4+2.6×4.8+5.20.38+9.62÷3.7×5.44.38÷(36.94+34.30.2) (3.8+0.7)×(22.4-22.4÷4) [(5.84-3.9)÷0.4+0.15]×0.92 95.2÷[32.5-(22.08÷4-1.02)] 10-(0.2+6.37÷0.7)5.4×1.8+28.2÷0.61.25×(6.2-5.9)×80(9-4.1)÷(4.4+2.6)7.35×3.6+6.4×7.3565.7×0.35-0.152.5×(6+9.728÷3.2)35.6-1.8+4.4-7.20.25×3.2×12.57.5÷(1.5+2.5)6.9÷[(0.4+0.5)×0.6]13.7×0.25-3.7÷4(455-12.5×4)÷8.1〔29.7-(6.2+0.85)×4〕÷0.3。
小学数学简便计算练习题(含答案及解答过程)打印版
2255-354-1055
8X125+80X125
1000÷125÷4
1883-898
25x(4+10)
704×25
小学数学简便计算练习题(六)
姓名:时间:得分:
(181+2564)+2719
2356-(1356-721)
175-75÷25
(26+24)x8
84×36+64×84
(175+83×35)
600-60÷15
25X32X8
427+628+373
32000÷800
7300÷25÷4
847-527-273
2255-354-1055
100-36-64
(16+4+80)×50
1883-898
答案:
(一)60×15+60×5=60×(15+5)=60×20=1200
275+119+281+125=(275+125)+(119+281)=400+400=800
1545-986-14=1545-(986+14)=1545-1000=545
1357-183-317-357=(1357-357)-(183+317)=1000-500=500
1248÷24=1248÷4÷6=312÷6=52
25X127-25X16-11X25
小学数学简便计算练习题(十)
姓名:时间:得分:
95X2+95X28
2150÷25
2370+1995
2999+398
2100-728-772
小学数学简便运算练习题
小学数学简便运算练习题小学数学简便运算练习题Prepared on 21 November 2021小学数学简便运算练习题(13×8)×125 20×(17×5)14×20×5 276×38+276×6225×(40×32)(5×7)×808×14×12 5×6 16×25×5×4 25×13×4 3×12×5 23×4×5 40×7×3×5 25×6×4×5 3475-1999 2843-598 (8×6)×125 4×8×25×125 259+468+741+532 36×25 (15+25)×2 3700-2185-815 12×25 28×25 125×(8+4)25×(8+40) 125×24 25×24 16×25×19 32×125 44×250 125×5620×12×5×3 724-298 25×16 75×25×2×4 345+497 16×(37+12) 48×19+52×1964×125 25×48 (25+7)×4 32+1 44+68+56 847-2974×7×25×360×(15+500) 248+198 435+19998×(125+9) 46×18+54×18(400+16)×5 170×4+80×4 103×56 13×68+13×32(2+4)×155×(20+6) 8×23+8×27 9×6+4×9 6×29+6×71 5×116+5×84(125+12)×8 29×317+317×7199×14 75×99+75 102×36 49×80+80 230-216-184 48×125(25×30)×418×8×1 25×2125×(8×6) 25×44 4×20×75×567×9+33×94×(25×30)4×(25+150+75) 12×15+12×35 32×25 13×5+41×5+26×55×(18+20)52×98 9×99+99 36×5+36×5 38×99+385×(18×20)31×128-28×31(25+250)×4 (125×125)×8 46×10 130.8÷[14-(9.85+1.07)] [60-(9.5+28.9)]÷0.182.881÷0.43-0.24×3.5 20×[(2.44-1.8)÷0.4+0.15]28-(3.4+1.25×2.4) 2.55×7.1+2.45×7.1 777×9+1111×30.8×〔15.5-(3.21+5.79)〕(31.8+3.2×4)÷5 31.5×4÷(6+3)0.64×25×7.8+2.2 2÷2.5+2.5÷2 194-64.8÷1.8×0.936.72÷4.25×9.9 5180-705×6 24÷2.4-2.5×0.8(4121+2389)÷7 671×15-974 469×12+1492405×(3213-3189) 3.416÷(0.016×35)0.8×[(10-6.76)÷1.2]19.4×6.1×2.3 5.67×0.2-0.62 18.1×0.92+3.930.4×0.7×0.25 0.75×102 100-56.230.78+5.436+1 4.07×0.86+9.12.51、89+124+11+26+48 22、875-147-233.25×125×40×8 4 4、147×8+8×535、125×64 66、0.9+1.08+0.92+0.1用简便方法计算①89+124+11+26+48 ②875-147-23 ③147×8+8×53 ④125×64计算下面各题.1.280+840÷24×5 2 2.85×(95-1440÷24)3.58870÷(105+20×2) 4.80400-(4300+870÷15)5.1437×27+27×563 6.81432÷(13×52+78)7.125×(33-1) 8.37.4-(8.6+7.24-6.6)计算:(1)156×107-7729(2)37.85-(7.85+6.4)(3)287×5+96990÷318(4)1554÷[(72-58)×3]脱式计算2800÷ 100+789 (947-599)+76×641.36×(913-276÷23) 2.(93+25×21)×93.507÷13×63+498 4.723-(521+504)÷255.384÷12+23×371 6.(39-21)×(396÷6)(1)156×[(17.7-7.2)÷3](2)[37.85-(7.85+6.4)] ×30(3)28×(5+969.9÷318)(4)81÷[(72-54)×9]57×12-560÷35 848-640÷16×12 960÷(1500-32×45)704×25[192-(54+38)]×67 138×25×4(13×125)×(3×8) (12+24+80)×5025×32×125 32×(25+125) 178×101-178 84×36+64×8475×99+2×75 83×102-83×2 98×199123×18-123×3+85×123 50×(34×4)×3 25×(24+16)178×99+17879×42+79+79×57 7300÷25÷4 8100÷4÷75 75×27+19×2 5 31×870+13×310 4×(25×65+25×28) 138×25×4 (13×125)×(3×8) (12+24+80)×50 25×32×125 32×(25+125) 102×76 58×98178×101-178 84×36+64×84 75×99+2×75 83×102-83×2 98×199 123×18-123×3+85×123 50×(34×4)×3 25×(24+16)178×99+178 79×42+79+79×57 7300÷25÷4 8100÷4÷7517×40=100-63= 3.2+1.68= 2.8×0.4=14-7.4=1.92÷0.04=0.32×500=0.65+4.35=10-5.4=4÷20=3.5×200=1.5-0.06=0.75÷15=0.4×0.8=4×0.25= 0.36+1.54=1.01×99=420÷35=25×12=135÷0.5=3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=1/6 +1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6-1/3 =0.51÷17=32.8+19=5.2÷1.3=1.6×0.4=4.9×0.7=1÷5=6÷12= 0.87-0.49=17×40= 100-63= 3.2+1.68=2.8×0.4=14-7.4=1.92÷0.04=0.32×500=0.65+4.35=10-5.4=4÷20=3.5×200=1.5-0.06=0.75÷15=0.4×0.8=4×0.25= 0.36+1.54=1.01×99=420÷35=25×12=135÷0.5=3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 -1/2=1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =0.51÷17=32.8+19=5.2÷1.3=1.6×0.4=4.9×0.7=1÷5=6÷12= 0.87-0.49158+262+138375+219+381+2255001-247-1021-232(181+2564)+2719378+44+114+242+222276+228+353+219(375+1034)+(966+125)(2130+783+270)+101799+999+9999+999997755-(2187+755)2214+638+2863065-738-1065899+3442357-183-317-3572365-1086-214497-2992370+19953999+4981883-39812×2575×24138×25×4(13×125)×(3×8)(12+24+80)×50704×2525×32×12532×(25+125)88×125102×7658×98178×101-17884×36+64×8475×99+2×7583×102-83×298×199123×18-123×3+85×123 50×(34×4)×325×(24+16)178×99+17879×42+79+79×57 7300÷25÷48100÷4÷7516800÷12030100÷210032000÷40049700÷7001248÷243150÷154800÷2521500÷125附加题:2356-(1356-721)1235-(1780-1665)75×27+19×2 531×870+13×3109999+99.99+999.9+9.999 5.4÷1.8+240×1.5 9000÷72×(1.25×0.7×8)61-(1.25+2.5×0.7)[(10-0.8)+9.85]-2÷0.1253^2*3.256783^3-512+5268.32-2569123+456-52*8789+456-78181+2564)+2719378+44+114+242+222276+228+353+219(375+1034)+(966+125) (2130+783+270)+101799+999+9999+999997755-(2187+755)2214+638+2863065-738-1065138×25×4(13×125)×(3×8)(12+24+80)×5025×32×125 32×(25+125)178×101-17884×36+64×8475×99+2×7583×102-83×2123×18-123×3+85×123 50×(34×4)×325×(24+16)178×99+17879×42+79+79×577300÷25÷48100÷4÷75158+262+138375+219+381+2255001-247-1021-232 (181+2564)+2719 378+44+114+242+222276+228+353+219(375+1034)+(966+125) (2130+783+270)+1017 99+999+9999+999997755-(2187+755)2214+638+2863065-738-10652357-183-317-3572365-1086-214138×25×4(13×125)×(3×8)(12+24+80)×5025×32×12532×(25+125)178×101-17884×36+64×8475×99+2×7583×102-83×2123×18-123×3+85×12350×(34×4)×325×(24+16)178×99+17879×42+79+79×577300÷25÷48100÷4÷752356-(1356-721)1235-(1780-1665)75×27+19×2 531×870+13×3104×(25×65+25×28)2.73 + 0.89 + 1.274.37 + 0.28 + 1.63 +5.72 10 - 0.432 - 2.568 9.3 - 5.26 - 2.7413.4-(3.4+5.2)14.9-(5.2+4.9)18.32 - 5.47 - 4.32 17.29 - 5.28 - 6.2925 × 6.8 × 0.040.25 × 32 × 0.1256.4 × 1.25 × 12.53.28 × 5.7 +6.72 × 5.7 2.1 × 99 + 2.11.7 × 9.9 + 0.1723 × 0.1 +2.3 × 9.90.18 +4.26 -0.18 +4.26 0.58 ×1.3 ÷ 0.58 ×1.3 7.3 ÷4 +2.7 × 0.253.75 × 0.5 -2.75 ÷ 2 5.26 × 0.125 +2.74 ÷ 8 9.5 ÷(1.9 × 8)12.8 ÷ (0.4 × 1.6)930 ÷ 0.6 ÷563.4 ÷ 2.5 ÷ 0.4(7.7 + 1.54)÷ 0.7(11.7 + 9.9)÷ 0.96.9+4.8+3.115.89+(6.75-5.89)7.85+2.34-0.85+4.6635.6-1.8-15.6-7.213.75-(3.75+6.48)47.8-7.45+2.5566.86-8.66-1.340.25×16.2×40. 25×32 ×0.1252 .5 ×(4 +0.4)(1.25-0.125)×856.5×9.9+56.55.4×11-5.43.83×4.56+3.83×5.447.09×10.8-0.8×7.093.65×4.7-36.5×0.3713.7×0.25-3.7÷410.7×16.1-1.1×10.7 +10.7 ×53.9÷(1.3×5)63.4÷2.5÷0.41.2+8.9+0.12+1.14×(25×65+25×28)5.7-1.8= 2) 99×84= 3) 1.02×4= 4) 7.34-4=0.45÷0.15= 6) 800×0.03= 7) 3.27-1.27+4.9= 8) 11×25=0.14×50= 10) 0.81÷0.27= 11) 0.24×0.5= 12) 18.2+1.1.5×3= 14)0.16×30= 15) 5.38+0.45+1.55= 16) 0.56÷0.8=3.6÷0.09= 18) 800×0.03= 19) 200×0.16= 20) 279÷300=0.56÷0.07= 22) 1.5×3=23) 0.42×3= 24) 46.7-3.8=5.2÷13= 26) 7.34-4= 27) 4.8÷0.3= 28) 0.65×100=5.7-1.8= 30) 4.3÷0.5= 31) 200×0.16= 32) 0.83÷0.1=1.6÷2= 34) 5.4×400= 35)0.14×50= 36) 10-4.18= 8÷0.01÷400= 38) 0.83÷0.1= 39) 0.35+1.45= 40) 800×0.03=0.24×0.5= 42) 1.54+0.7= 43)2.4+8.06= 44)3.14+1.36=0.65×100= 46) 1.6÷2= 47) 9.6÷0.8= 48) 2.4÷0.8=2.79÷3= 50) 7-0.23= 51) 1.5×0.5= 52) 0.42÷0.7÷0.6=60×0.8= 54) 7÷3.5= 55) 3.27-1.27+4.9= 56) 8×1.03=0.85×4= 46) 4.5+6.3= 47) 0.7×1.2= 48)2.5×0.4=5.4÷1.8+240×1.59000÷72×(1.25×0.7×8)61-(1.25+2.5×0.7)[(10-0.8)+9.85]-2÷0.1253^2*3.256783^3-512+5268.32-2569123+456-52*8789+456-78181+2564)+2719378+44+114+242+222276+228+353+219(375+1034 )+(966+125)(2130+783+2 70)+101799+999+9999+999997755-(2187+755)2214+638+2863065-738-1065138×25×4(13×125)×(3×8)(12+24+80)×5025×32×12532×( 25+125)1 78×101-17884×36+64×8475×99+2×7583×102-83×2123×18-123×3+85×12350×(34×4)×325×(24+16)178×99+17879×42+79+79×577300÷25÷48100÷4÷75158+ 262+138375+219+3 81+2255001-247-1021-232(181+2564)+2719378+44+114+242+222276+228+353+219(375+1034 )+(966+125)(2130+783+2 70)+101799+999+9999+999997755-(2187+755)2214+638+2863065-738-10652357-183-317-3572365-1086-214138×25×4(13×125)×(3×8)(12+24+80)×5025×32×1253 2×(25+125)178×101-17884×36+64×8475×99+2×7583×102-83×2123×18-123×3+85×12350×(34×4)×325×(24+16)178×99+17879×42+79+79×577300÷25÷48100÷4÷752356-(1356-721)1235-(1780-1665)75×27+19×2 531×870+13×3104×(25×65+25×28)2.73 + 0.89 + 1.274.37 + 0.28 +1.63 + 5.7210 - 0.432 -2.5689.3 - 5.26 - 2.7413.4-(3.4+5.2)14.9-(5.2+4.9)18.32 - 5.47 - 4.3217.29 - 5.28 -6.2925 × 6.8 × 0.040.25 × 32 × 0.1256.4× 1.25 × 12.53.28 × 5.7 +6.72 × 5.72.1 × 99 +2.11.7 × 9.9 +0.1723 × 0.1 +2.3 × 9.90.18 +4.26 -0.18 +4.260.58 ×1.3 ÷ 0.58 ×1.37.3 ÷4 +2.7 × 0.253.75 × 0.5 -2.75 ÷ 25.26 × 0.125 + 2.74 ÷ 89.5 ÷(1.9 × 8)12.8 ÷ (0.4 × 1.6)930 ÷ 0.6 ÷563.4 ÷ 2.5 ÷ 0.4(7.7 + 1.54)÷ 0.7(11.7 + 9.9)÷ 0.96.9+4.8+3.115.89+(6.75-5.89)7.85+2.34-0.85+4.6635.6-1.8-15.6-7.213.75-(3.75+6.48)47.8-7.45+2.5566.86-8.66-1.340.25×16.2×40. 25×32 ×0.1252 .5 ×(4 +0.4)(1.25-0.125)×856.5×9.9+56.55.4×11-5.43.83×4.56+3.83×5.447.09×10.8-0.8×7.093.65×4.7-36.5×0.3713.7×0.25-3.7÷410.7×16.1-1.1×10.7 +10.7 ×53.9÷(1.3×5)63.4÷2.5÷0.4(7.7+1.4)÷0.718 ÷ (2+9)57.26-(5.26-1.5)得分158+262+138 375+219+381+225 5001-247-1021-232(181+2564)+2719 378+44+114+242+222 276+228+353+219(375+1034)+(966+125)(2130+783+270)+1017 99+999+9999+999997755-(2187+755) 2214+638+286 3065-738-1065899+344 2357-183-317-357 2365-1086-214497-299 2370+1995 3999+4981883-398 12×25 75×24138×25×4 (13×125)×(3×8) (12+24+80)×50简便计算练习题2姓名得分704×25 25×32×125 32×(25+125)88×125 102×76 58×98178×101-178 84×36+64×8475×99+2×7583×102-83×2 98×199 123×18-123×3+85×12350×(34×4)×3 25×(24+16)178×99+17879×42+79+79×57 7300÷25÷4 8100÷4÷7516800÷120 30100÷2100 32000÷40021500÷12549700÷700 1248÷24 3150÷15 4800÷25 简便计算练习题3姓名得分2356-(1356-721)1235-(1780-1665)75×27+19×2531×870+13×310 4×(25×65+25×28)第一种(300+6)x1225x(4+8) 125x(35+8) (13+24)x8第二种84x101 504x25 78x102 25x204第三种99x64 99x16638x99 999x99第四种99X13+1325+199X25 32X16+14X3278X4+78X3+78X3第五种125X32X825X32X125 88X125 72X125简便计算练习题4姓名得分第六种3600÷25÷4 8100÷4÷753000÷125÷8 1250÷25÷5第七种1200-624-762100-728-772273-73-27 847-527-273第八种278+463+22+37732+580+2681034+780320+102425+14+186第九种214-(86+14)787-(87-29)365-(65+118)455-(155+230)第十种576-285+85 825-657+57 690-177+77 755-287+87第十一种871-299 157-99 363-199 968-599第十二种178X101-17883X102-83X217X23-23X735X127-35X16-11X35简便计算练习题5姓名得分容易出错类型(共五种类型)600-60÷1520X4÷20X4736-35X20 25X4÷25X498-18X5+2556X8÷56X8280-80÷ 412X6÷12X6175-75÷2525X8÷25X880-20X2+6036X9÷36X936-36÷6-625X8÷(25X8)100+45-100+4515X97+3100+1-100+148X99+11000+8-1000+8 5+95X28102+1-102+1 65+35X1325+75-25+75 40+360÷20-1013+24X8 672-36+64324-68+32100-36+64简便计算练习题6姓名得分26×39+61×26 356×9-56×9 99×55+55 78×101-78 52×76+47×76+76134×56-134+45×13448×52×2-4×48 25×23×(40+4)999×999+1999184+98 695+202 864-199 738-301380+476+120 (569+468)+(432+131)704×25256-147-53 373-129+29 189-(89+74)28×4×25 125×32×25 9×72×125简便计算练习题7姓名得分720÷16÷5 630÷42 456-(256-36)102×35 98×42 158+262+138 375+219+381+225 5001-247-1021-232 (181+2564)+2719 378+44+114+242+222 276+228+353+219(375+1034)+(966+125)(2130+783+270)+101799+999+999 9+99999 7755-(2187+755) 2214+638+2863065-738-1065 899+344 2357-183-317-3572365-1086-214 497-299 2370+1995简便计算练习题8姓名得分3999+498 1883-398 12×25 75×24138×25×4 (13×125)×(3×8)(12+24+80)×50 25×32×12532×(25+125) 88×125 102×76178×101-178 84×36+64×84 75×99+2×75 98×199 123×18-123×3+85×12350×(34×4)×325×(24+16)178×99+178 79×42+79+79×577300÷25÷4 8100÷4÷75 158+262+138简便计算练习题9姓名得分1248÷24 3150÷15 4800÷25 21500÷125 375+219+381+225 5001-247-1021-232 (181+2564)+2719378+44+114+242+222 276+228+353+219 (375+1034)+(966+125)(2130+783+270)+1017 99+999+9999+99999 7755-(2187+755)2214+638+286 3065-738-1065 899+3442357-183-317-357 2365-1086-214 497-2992370+1995 3999+498 1883-398简便计算练习题10姓名得分12×25 75×24 138×25×4 (13×125)×(3×8) (12+24+80)×50 704×25 25×32×125 32×(25+125)88×125 102×76 58×98 178×101-178 84×36+64×8475×99+2×7583×102-83×2 98×199123×18-123×3+85×123 50×(34×4)×3 25×(24+16)178×99+17879×42+79+79×57 21500÷1257300÷25÷4 8100÷4÷75 16800÷120简便计算练习题11姓名得分(a+b)+c = a+(b+c)2.73+0.89+1.27 4.37+0.28+1.63+5.72a-b-c = a-(b+c)10-0.432-2.568 9.3-5.26-2.7414.9-(5.2+4.9)18.32-5.47-4.32(a × b)×c = a ×(b × c)25 × 6.8 × 0.04 0.25 × 32 × 0.125 6.4 × 1.25 × 12.5c ×(a+b)= c×a+c×b0.45 × 201 0.58 × 10.1 50.2 × 99 4.7 × 9.9简便计算练习题12姓名得分3.28 × 5.7+6.72 × 5.7 2.1 × 99+2.123 × 0.1+2.3 × 9.9 0.18+4.26-0.18+4.260.58 ×1.3 ÷ 0.58 ×1.37.3 ÷4+2.7 × 0.25 3.75 × 0.5-2.75 ÷ 2 5.26 × 0.125+2.74 ÷ 8a ÷b ÷c = a ÷(b × c)6.3 ÷ 1.8 9.5 ÷(1.9 × 8)12.8 ÷(0.4 × 1.6)930 ÷ 0.6 ÷5 63.4 ÷ 2.5 ÷ 0.4 (7.7+1.54)÷ 0.7 简便计算练习题13姓名得分6.9+4.8+3.1 15.89+(6.75-5.89) 7.85+2.34-0.85+4.6635.6-1.8-15.6-7.2 13.75-(3.75+6.48) 47.8-7.45+2.5566.86-8.66-1.34 0.25×16.2×4 0.25×32 ×0.125 2 .5 ×(4 +0.4) (1.25-0.125)×8 4.8×100.14.2×99 56.5×9.9+56.5 7.09×10.8-0.8×7.093.83×4.56+3.83×5.44 3.65×4.7-36.5×0.37 5.4×11-5.413.7×0.25-3.7÷4 10.7×16.1-1.1×10.7 +10.7 ×50.7777×0.7+0.1111×5.131.5×24.5+0.8×0.564.23×0.028+0.32×0.20.63×1.05+36×0.568.9×1.1×4.7-2.73.6×9.85-5.46+7.62.8×0.5+1.58+6.58×4.57.4+2.6×4.8+5.20.38+9.62÷3.7×5.4(3.8+0.7)×(22.4-22.4÷4) [(5.84-3.9)÷0.4+0.15]×0.92 95.2÷[32.5-(22.08÷4-1.02)] 10-(0.2+6.37÷0.7)5.4×1.8+28.2÷0.61.25×(6.2-5.9)×80(9-4.1)÷(4.4+2.6)7.35×3.6+6.4×7.3565.7×0.35-0.152.5×(6+9.728÷3.2)35.6-1.8+4.4-7.20.25×3.2×12.57.5÷(1.5+2.5)6.9÷[(0.4+0.5)×0.6]13.7×0.25-3.7÷4(455-12.5×4)÷8.1〔29.7-(6.2+0.85)×4〕÷0.3。
小学数学五年级上册简便计算68道题(含详细规范标准答案)
小学数学五年级上册简便计算68道题(含详细规范标准答案)一、加减法简便计算1. 123 + 456 = 5792. 789 321 = 4683. 678 + 123 456 = 3454. 456 + 789 123 = 11225. 987 + 654 321 = 13206. 789 + 456 123 = 11227. 654 + 321 987 = 3128. 321 + 987 654 = 6549. 123 + 456 + 789 = 136810. 456 + 789 + 123 = 1368二、乘除法简便计算11. 7 × 8 = 5612. 9 ÷ 3 = 313. 12 × 13 = 15614. 15 ÷ 5 = 315. 18 × 19 = 34216. 21 ÷ 7 = 317. 24 × 25 = 60018. 27 ÷ 9 = 319. 30 × 31 = 93020. 33 ÷ 11 = 3三、混合运算简便计算21. 12 + 7 × 8 = 6822. 9 ÷ 3 + 6 = 723. 12 × 13 45 = 14124. 15 ÷ 5 + 8 = 725. 18 × 19 + 21 = 35726. 21 ÷ 7 4 = 127. 24 × 25 12 = 58828. 27 ÷ 9 + 3 = 629. 30 × 31 15 = 91530. 33 ÷ 11 2 = 1四、分数简便计算31. 1/2 + 1/3 = 5/632. 2/3 ÷ 1/4 = 8/333. 3/4 + 1/2 = 5/434. 4/5 ÷ 1/2 = 8/535. 5/6 + 1/3 = 7/636. 6/7 ÷ 1/4 = 24/737. 7/8 + 1/2 = 11/838. 8/9 ÷ 1/3 = 839. 9/10 + 1/5 = 13/1040. 10/11 ÷ 1/2 = 20/11五、小数简便计算41. 0.5 + 0.3 = 0.842. 0.6 ÷ 0.2 = 343. 0.7 × 0.8 = 0.5644. 0.4 ÷ 0.4 = 145. 0.9 + 0.1 = 146. 0.8 ÷ 0.2 = 447. 0.7 × 0.9 = 0.6348. 0.6 ÷ 0.3 = 249. 0.5 + 0.2 = 0.750. 0.4 ÷ 0.2 = 2六、百分数简便计算51. 20% + 30% = 50%52. 40% ÷ 20% = 253. 50% × 80% = 40%54. 25% + 75% = 100%55. 60% ÷ 30% = 256. 70% × 50% = 35%57. 80% + 20% = 100%58. 90% ÷ 10% = 959. 55% × 45% = 24.75%60. 65% + 35% = 100%七、方程简便计算61. 2x + 3 = 7,解得 x = 262. 3x 4 = 5,解得 x = 363. 4x + 5 = 9,解得 x = 164. 5x 6 = 4,解得 x = 265. 6x + 7 = 13,解得 x = 166. 7x 8 = 9,解得 x = 367. 8x + 9 = 17,解得 x = 168. 9x 10 = 11,解得 x = 3八、应用题简便计算69. 小华有10个苹果,小明有15个苹果,他们一共有多少个苹果?解:10 + 15 = 25个苹果。
100道简便计算题
100道简便计算题1、 25×44简便计算:25×44 = 25×(40 + 4) = 25×40 + 25×4 = 1000 + 100 = 11002、 125×88简便计算:125×88 = 125×(80 + 8) = 125×80 + 125×8 = 10000 + 1000 = 110003、 99×56简便计算:99×56 =(100 1)×56 = 100×56 1×56 = 5600 56 =55444、 25×12简便计算:25×12 = 25×4×3 = 100×3 = 3005、 125×24简便计算:125×24 = 125×8×3 = 1000×3 = 30006、 36×25简便计算:36×25 = 9×(4×25) = 9×100 = 9007、 88×125简便计算:88×125 = 11×(8×125) = 11×1000 = 110008、 75×24简便计算:75×24 = 75×4×6 = 300×6 = 18009、 56×125简便计算:56×125 = 7×(8×125) = 7×1000 = 700010、 45×25简便计算:45×25 = 45×5×5 = 225×5 = 112511、 98×45简便计算:98×45 =(100 2)×45 = 100×45 2×45 = 4500 90 =441012、 72×125简便计算:72×125 = 9×(8×125) = 9×1000 = 900013、 35×18简便计算:35×18 = 35×2×9 = 70×9 = 63014、 64×25简便计算:64×25 = 16×(4×25) = 16×100 = 160015、 81×125简便计算:81×125 = 9×(9×125) = 9×1125 = 1012516、 55×25简便计算:55×25 = 55×5×5 = 275×5 = 137517、 96×45简便计算:96×45 =(100 4)×45 = 100×45 4×45 = 4500 180 =432018、 78×125简便计算:78×125 = 78×1000÷8 = 78000÷8 = 975019、 48×25简便计算:48×25 = 12×(4×25) = 12×100 = 120020、 85×125简便计算:85×125 = 85×1000÷8 = 85000÷8 = 1062521、 66×25简便计算:66×25 = 66×100÷4 = 6600÷4 = 165022、 90×45简便计算:90×45 = 90×5×9 = 450×9 = 405023、 82×125简便计算:82×125 = 82×1000÷8 = 82000÷8 = 1025024、 52×25简便计算:52×25 = 13×(4×25) = 13×100 = 1300 25、 76×125简便计算:76×125 = 76×1000÷8 = 76000÷8 = 9500 26、 42×25简便计算:42×25 = 42×100÷4 = 4200÷4 = 1050 27、 80×45简便计算:80×45 = 80×5×9 = 400×9 = 360028、 68×125简便计算:68×125 = 68×1000÷8 = 68000÷8 = 8500 29、 38×25简便计算:38×25 = 38×100÷4 = 3800÷4 = 950 30、 70×45简便计算:70×45 = 70×5×9 = 350×9 = 315031、 58×125简便计算:58×125 = 58×1000÷8 = 58000÷8 = 7250 32、 40×25简便计算:40×25 = 10×(4×25) = 10×100 = 1000简便计算:60×45 = 60×5×9 = 300×9 = 270034、 50×125简便计算:50×125 = 50×1000÷8 = 50000÷8 = 625035、 30×25简便计算:30×25 = 30×100÷4 = 3000÷4 = 75036、 45×99 + 45简便计算:45×99 + 45 = 45×(99 + 1) = 45×100 = 450037、 125×32×25简便计算:125×32×25 = 125×8×4×25 =(125×8)×(4×25) =1000×100 = 10000038、 25×(40 + 4)简便计算:25×(40 + 4) = 25×40 + 25×4 = 1000 + 100 = 110039、 125×(80 8)简便计算:125×(80 8) = 125×80 125×8 = 10000 1000 = 900040、 36×98简便计算:36×98 = 36×(100 2) = 36×100 36×2 = 3600 72 =3528简便计算:25×19×4 = 25×4×19 = 100×19 = 190042、 125×72简便计算:125×72 = 125×8×9 = 1000×9 = 900043、 44×25简便计算:44×25 =(40 + 4)×25 = 40×25 + 4×25 = 1000 + 100 = 110044、 125×64简便计算:125×64 = 125×8×8 = 1000×8 = 800045、 38×99简便计算:38×99 = 38×(100 1) = 38×100 38×1 = 3800 38 =376246、 25×16简便计算:25×16 = 25×4×4 = 100×4 = 40047、 125×56简便计算:125×56 = 125×8×7 = 1000×7 = 700048、 46×25简便计算:46×25 =(40 + 6)×25 = 40×25 + 6×25 = 1000 + 150 = 115049、 125×48简便计算:125×48 = 125×8×6 = 1000×6 = 600050、 32×125简便计算:32×125 = 4×(8×125) = 4×1000 = 400051、 25×24简便计算:25×24 = 25×4×6 = 100×6 = 60052、 125×80简便计算:125×80 = 125×8×10 = 1000×10 = 1000053、 48×99 + 48简便计算:48×99 + 48 = 48×(99 + 1) = 48×100 = 480054、 25×36简便计算:25×36 = 25×4×9 = 100×9 = 90055、 125×72简便计算:125×72 = 125×8×9 = 1000×9 = 900056、 52×99简便计算:52×99 = 52×(100 1) = 52×100 52×1 = 5200 52 =514857、 25×40简便计算:25×40 = 25×4×10 = 100×10 = 100058、 125×88简便计算:125×88 = 125×8×11 = 1000×11 = 1100059、 64×99 + 64简便计算:64×99 + 64 = 64×(99 + 1) = 64×100 = 640060、 25×56简便计算:25×56 = 25×4×14 = 100×14 = 140061、 125×96简便计算:125×96 = 125×8×12 = 1000×12 = 1200062、 76×99简便计算:76×99 = 76×(100 1) = 76×100 76×1 = 7600 76 =752463、 25×64简便计算:25×64 = 25×4×16 = 100×16 = 160064、 125×104简便计算:125×104 = 125×(100 + 4) = 125×100 + 125×4 =12500 + 500 = 1300065、 88×99 + 88简便计算:88×99 + 88 = 88×(99 + 1) = 88×100 = 880066、 25×80简便计算:25×80 = 25×8×10 = 200×10 = 200067、 125×112简便计算:125×112 = 125×8×14 = 1000×14 = 1400068、 96×99简便计算:96×99 = 96×(100 1) = 96×100 96×1 = 9600 96 =950469、 25×96简便计算:25×96 = 25×4×24 = 100×24 = 240070、 125×128简便计算:125×128 = 125×8×16 = 1000×16 = 1600071、 72×99 + 72简便计算:72×99 + 72 = 72×(99 + 1) = 72×100 = 720072、 25×112简便计算:25×112 = 25×4×28 = 100×28 = 280073、 125×144简便计算:125×144 = 125×8×18 = 1000×18 = 1800074、 84×99简便计算:84×99 = 84×(100 1) = 84×100 84×1 = 8400 84 =831675、 25×128简便计算:25×128 = 25×4×32 = 100×32 = 320076、 125×160简便计算:125×160 = 125×8×20 = 1000×20 = 2000077、 90×99 + 90简便计算:90×99 + 90 = 90×(99 + 1) = 90×100 = 900078、 25×144简便计算:25×144 = 25×4×36 = 100×36 = 360079、 125×176简便计算:125×176 = 125×8×22 = 1000×22 = 22。