三年级数学下册混合计算练习题.pdf

. 三年级脱式计算练习题 （21÷ 3+33 ）× 2 （17× 6 + 32 ） -37 = = = = 98 36 - 42 45÷ 5÷ 3+37 = = = = 41+17+4+19 4×（ 36÷ 6 5） = = = = 658 - 15 - 42 56÷（55 - 41 ） = = = = 11+31+19+29 8+（ 69 - 63 ）× 9 = = = = 206 97+58 58×（6123）834-17×35 488÷ 827 （7968）÷ 7 = = = = = = = = = = 1 . . 462（ 137-59） 456÷ 8× 67 256389-278 （613578）×27 23× 24÷ 8 = = = = = = = = = = 56× 37 678 201495÷ 5 78× 35÷ 7 （73-37）× 89 729÷ （102-93） = = = = = = = = = = 357÷ 729 （4729）×29 412-67+78 14× （ 3927）2080× 7 = = = = = = = = = = （91-12）× 23 27822× 39 203-（312279）567891÷ 9 357÷ 737 = = = = = = = = = = 671-48789 341 236÷ 4 （3719）× 78 523-378-89 309÷ （ 41-38） = = = = = = = = = = 901 354÷ 6 （425-257 ）÷ 8 160÷ 5× 57 95123× 27 270÷ 6÷ 5 = = = = = = = = = = 3729× 3 58× （ 78÷ 6）56418× 24 20 180÷ 5 48× （3217） = = = = = = = = = = 165 - ( 42 + 58 ) 73 × 12 ÷ 6 45 × ( 63 ÷ 9 ) (115 87 ) × 25 = = = = = = = = 714 ÷ (103 96 ) 384 312 ÷ 3 412+750÷ 5× 36 = = = = = = 2 . . （412+750 ÷ 5）×36 750÷ 5+410× 36 （750+410 ）÷5× 36 = = = = = = 35× （329129）35× 329129× 35 5274÷3× 37 = = = = = = 43×36÷ 9 825÷5×82 745+458-829 861÷7×58 = = = = = = = = 439 46× 37 248÷ 4× 18 67× （96÷ 6）25× 17120 = = = = = = = = （450175）÷5 268+29 × 65 17×36÷ 3 94813×52 = = = = = = = = 315 345÷3574÷(125118) 17×36÷3 560-12 ×24 = = = = = = = = 375÷5× 24 94813×52 370÷5+120 256+32 ×23 = = = = = = = = 340÷ 5× 56 399÷ 7+245 1703-26 × 29 （680-375 ）÷ 5 = = = = = = = = 60×8÷ 6 383+126 ÷375×26÷9 576÷3÷4 = = = = = = = = 3 . . 82× （49÷ 7）930÷ （ 3× 2）720÷ 3÷ 6 225÷ 5÷ 9 = = = = = = = = 425÷ 5× 6 204× 3÷ 4 652-208 ÷ 4 （178+167 ）÷ 5 = = = = = = = = 748-609÷ 3 518-160 ÷ 5 486÷ （3× 3）325+714 ÷ 7 = = = = = = = = 462-52 ×8640÷4÷ 5 658-648 ÷8860+140 ÷7 = = = = = = = = 375+570 ÷3676+672 ÷6360÷5÷6 1000+333 ×7 = = = = = = = = 3500-129 × 7 159+186 ÷ 6 283+72 ÷ 8 （503-188）÷ 5 = = = = = = = = 250÷ 5+175 45+972 ÷ 9 272÷ （ 2× 4）795-600 ÷ 2 = = = = = = = = 32÷ 8+9 125× 4÷ 5 784-660 ÷ 6 752÷ （ 4× 2） = = = = = = = = 96+148 ÷2958-630 ÷9576÷4÷3 807-76 ×3 = = = = = = = = 4 . . 100+888 ÷ 8 416÷ （ 2× 4）728÷ 7÷ 4 375+（374÷ 2） = = = = = = = = （603-478 ）÷5 984÷ 6÷ 4 280+280 ÷ 5 456÷ 6+289 = = = = = = = = （601-246 ）÷5 606÷ 6+606 72× 3÷ 4 250+250 ÷ 5 = = = = = = = = 407+521-469 108÷ 4÷ 3 222÷ （ 2× 3）（218-190 ）÷ 4 = = = = = = = = 1500÷ （ 5× 10）900-18 × 2 81× 7÷ 9 854÷ 7-86 = = = = = = = = 824÷4× 3 （ 601-246 ）÷ 5 （ 25+38 ）× 15 （ 59-187 ）÷ 3 = = = = = = = = 25+3 2× 23 52+18 × 12 17+34 × 19 = = = = = = 37+16 × 28 65+11 × 12 56+37 × 21 61+12 × 23 43+21 × 23 45+32 × 55 = = = = = = 5 . . 38+25 × 31 48+52 × 21 87+35 × 49 = = = = = = 99+46 × 97 44+81 × 33 31+98 × 76 = = = = = = 38+53 × 47 67+81 × 90 99+54 × 56 = = = = = = 56+56 × 76 190+18 × 11 41+51 × 87 = = = = = = 96+72 × 44 98+55 × 67 37+43 × 77 = = = = = = 32+58 × 86 25+67 × 22 44+88 × 22 = = = = = = 99+65 × 34 89+78 × 46 48+63 × 91 56+89 × 77 35+49 × 82 47+99 × 89 = = = = = = 6 . . 58+85 × 33 49+65 × 33 79+92 × 93 = = = = = = 39+83 × 55 89+56 × 61 88+38 × 49 = = = = = = 125+82 × 37 152+58 × 33 117+58 × 77 196+55 × 31 198+12 × 89 137+22 × 88 = = = = = = 132+12 × 37 250+23 × 38 440+13 × 36 = = = = = = 199+25 × 89 819+49 × 90 418+57 × 67 = = = = = = 516+27 × 36 315+57 × 34 147+28 × 36 = = = = = = 518+18 × 47 419+29 × 54 128+28 × 19 = = = = = = 7 . . 319+32 × 56 189+42 × 37 818+41 × 53 = = = = = = 32+65 × 37 850+27 × 38 269+85 × 39 = = = = = = 215+35 × 47 652+78 × 36 107+29 × 64 = = = = = = 307+77 × 83 635+57 × 86 556+38 × 87 = = = = = = 671+92 × 23 493+18 × 67 465+85 × 34 = = = = = = 378+ 54× 27 498+56 × 26 807+51 × 46 = = = 909+37 × 35 414+58 × 47 731+59 × 67 = = = = = = 8 . . 308+47 × 87 167+81 × 90 299+33 × 77 = = = = = = 506+21 × 49 190+76 × 34 41+47 × 36 = = = = = = 245+53 × 69 752+53 × 87 817+56 × 89 = = = = = = 837+68 × 36 865+98 × 49 356+76 × 58 = = = = = = 561+57 × 92 43+59 × 38 458+86 × 36 = = = = = = 538+ 27× 38 548+52 × 59 87+29 × 78 = = = = = = 299+39 × 48 544+56 × 21 531+51 × 88 38+23 × 38 67+59 × 57 99+35 × 36 = = = = = = 9 . . 516+55 × 65 90+53 × 38 49+82 × 49 = = = = = = 265+54 × 66 552+53 × 46 417+88 × 62 = = = = = = 237+26 × 48 665+39 × 45 256+15 × 64 = = = = = = 761+63 × 25 643+31 × 63 645+42 × 83 = = = = = = 338+ 19× 62 648+33 × 59 587+19 × 83 = = = = = = 999+26 × 63 644+42 × 39 431+24 × 66 = = = = = = 38+72 × 26 567+35 × 61 699+53 × 16 506+56 × 56 19+23 × 93 99+53 × 33 = = = = = = 10 . . 125+16 × 55 352+28 × 32 217+29 × 37 = = = = = = 307+46 × 52 265+23 × 53 556+73 × 26 = = = = = = 631+52 × 33 243+21 × 23 345+21 × 37 = = = = = = 378+ 49× 77 478+56 × 65 787+53 × 53 = = = = = = 399+42 × 66 544+35 × 27 731+35 × 46 = = = = = = 438+55 × 69 67+51 × 38 899+35 × 51 = = = = = = 506+32 × 64 177+58 × 35 741+34 × 57 689+22 × 89 872+23 × 52 412+26 × 62 = = = = = = 11 . . 541+20 × 87 49+52 × 15 396+41 × 35 = = = = = = 11+83 × 59 258+45 × 67 743+76 × 38 = = = = = = 529+ 25× 62 248+31 × 53 487+28 × 65 = = = = = = 38+35 × 46 344+25 × 75 831+56 × 65 = = = = = = 51+16 × 62 267+35 × 59 846+28 × 73 = = = = = = 125+35 × 82 127+28 × 39 59+26 × 38 = = = = = = 64+24 × 35 83+57 × 61 55+39 × 63 71+21 × 63 581+51 × 52 753+53 × 82 = = = = = = 12 . . 317+46 × 36 713+53 × 83 26+85 × 37 = = = = = = 305+ 44× 53 548+38 × 94 793+59 × 36 = = = = = = 389+52 × 34 544+37 × 92 131+28 × 56 = = = = = = 238+33 × 87 67+58 × 98 100+29 × 32 = = = = = = 26+68 × 61 85+57 × 96 52+69 × 67 = = = = = = 103+13 × 81 552+71 × 38 817+26 × 73 = = = = = = 745+35 × 91 565+37 × 93 856+17 × 83 286+26 × 82 78+87 × 36 23+52 × 87 = = = = = = 13 . . 90+56 × 38 999+27 × 37 888+28 × 38 = = = = = = 199+28 × 36 777+29 × 73 766+38 × 83 = = = = = = 666+27 × 72 767+81 × 90 399+29 × 92 = = = = = = 656+38 × 96 222+39 × 96 898+37 × 61 = = = = = = 212+30 × 76 252+32 × 83 717+28 × 73 = = = = = = 939+72 × 29 565+36 × 83 656+88 × 35 = = = = = = 828+35 × 63 121+63 × 16 555+86 × 37 777+ 26× 42 323+43 × 67 111+29 × 37 = = = = = = 14 . . 565+38 × 67 789+66 × 39 373+69 × 73 = = = = = = 646+85 × 69 167+26 × 83 399+78 × 39 = = = = = = 293+31 × 68 717+32 × 97 828+37 × 86 = = = = = = 73+15 × 46 90+76 × 19 52+16 × 38 = = = = = = 67+12 × 35 29+15 × 32 83+26 × 18 = = = = = = 50+93 × 13 23+40 × 91 80+73 × 26 = = = = = = 12+57 × 34 863+26 × 26 353+55 × 63 105+53 × 63 555+28 × 72 373+68 × 19 = = = = = = 15 . . 55+16 × 62 66+38 × 67 121+49 × 82 = = = = = = 666+37 × 68 535+56 × 37 81+30 × 59 = = = = = = 33+26 × 14 51+18 × 67 19+84 × 19 = = = = = = 87+26 × 88 95+31 × 72 59+77 × 81 = = = = = = 91+72 × 53 93+29 × 93 75+37 × 75 = = = = = = 88+85 × 38 68+62 × 26 37+33 × 43 = = = = = = 59+56 × 95 24+82 × 23 36+68 × 36 78+73 × 87 57+85 × 95 99+59 × 59 = = = = = = 16 . . 58+53 × 77 190+88 × 31 61+52 × 57 = = = = = = 31+3 5× 53 69+83 × 38 69+65 × 96 = = = = = = 85+58 × 99 83+69 × 86 96+88 × 69 = = = = = = 75+55 × 68 29+73 × 67 89+92 × 28 = = = = = = 66+76 × 77 93+33 × 63 82+66 × 82 = = = = = = 99+59 × 71 82+87 × 73 51+22 × 37 = = = = = = 75+53 × 35 86+36 × 39 85+29 × 26 = = = = = = 17 . . 63+28 × 27 29+37 × 38 82+66 × 73 = = = = = = 23+87 × 79 28+36 × 67 87+18 × 76 = = = = = = 100+32 × 25 79+64 × 68 56+37 × 57 = = = = = = 893+35 × 49 74+59 × 68 563+37 × 48 = = = = = = 93+18 × 36 92+27 × 38 256+57 × 69 = = = = = = 123+13 × 26 93+23 × 36 71+89 × 16 = = = = = = 236+12 × 76 525+26 × 39 999+59 × 67 = = = = = = 18 . . 302+38 × 67 36+27 × 38 82+36 × 27 = = = = = = 824÷4x3 （ 601-246 ）÷ 5 201+232-365 = = = = = = （ 25+38 ）x15 （ 59-187 ）÷ 3 1500-125x8 = = = = = = 25x8x9 （ 601-246 ）÷ 5 201+232-365 = = = = = = (25+33)X26 2+3x56= 63x147-198= = = = = = = 735-35x12= 540÷(65-59) 789-13x45 = = = 22× 4221 21× 3 410 40÷2 174 = = = = = = 19 . . 147 72÷8 9× 4 420 2× 80÷4 = = = = = = 120×5÷ 2 20236÷ 9 30÷ 5 240 = = = = = = 81÷ 9 877 921+7 ×4 66×5+774 = = = = = = 80× 6× 2 770÷7+65 80720÷ 2 = = = = = = 100 50÷5 35 35÷ 7 302 30× 2 = = = = = = 600×8÷ 3 40100÷5 434 25×5 = = = = = = 60 12× 3 64÷8 456 640 60× 4 56÷ 7 36÷6 500× (400 396) 72÷ 9 5 = = = = = = 20 . . 564+264-453 7650-(546+4530) 65× 9-450 = = = = = = 9× 80+980 9000-(4500+250) 6700+72 ÷8 = = = = = = 14× 6+9× 5 900÷(71-68) 180÷9-42 ÷6 = = = = = = 12÷ 6 45× 3 8× (910-720) 760-540+1110 = = = = = = 6500+1250-3500 80×30+5600 9450-3200-4200 = = = = = = 2400÷6 45 800× 7 180 1600÷ 2 230 4000 ÷8 + 350 320÷8 64 270 ÷3 9 × = = = = = = 21 . . 630 ÷9 + 320 2800+32 × 6 300÷ 6× 9 = = = = = = (6900-2400) ÷5（72÷ 9）÷ (56 ÷8) 54 ÷9 ×8 = = = = = = 280× 4 ÷560× 8+1570 60× (23-17) = = = = = = 22× 4221 21× 3 410 40÷2 174 = = = = = = 147 72÷8 9× 4 420 2× 80÷ 4 = = = = = = 120×5÷ 2 20236÷ 9 30÷5 240 = = = = = = 81÷ 9 877 66× 5+774 921+7 ×4 = = = = = = 22 . . 80× 6× 2 770÷7+65 807 20÷ 2 = = = = = = 100 50÷5 35 35÷ 7 30230× 2 = = = = = = 600×8÷ 3 40 100÷5 434 25×5 = = = = = = 60 12× 3 64÷ 8456 640 60×4 = = = = = = 5× 7 48÷ 6 42÷ 736÷ 6 37× 4 19×8 = = = = = = 10× 420÷ 4 15÷3 10÷ 5 25÷ 5 42÷ 6 = = = = = = 35÷ 5 8× 7 72÷ 936÷ 6 21× 4 54÷9 72÷ 8 9× 5 36÷ 4 21×2 25÷ 516÷ 4 = = = = = = 23 . . 56÷ 7 36÷6 500×(400 396) 72÷ 9 5 = = = = = = 564+264-453 7650-(546+4530) 65× 9-450 = = = = = = 9× 80+980 9000-(4500+250) 6700+72 ÷8 = = = = = = 14× 6+9× 5 900÷(71-68) 180÷9-42 ÷6 = = = = = = 12÷ 6 45× 3 8× (910-720) 760-540+1110 = = = = = = 6500+1250-3500 80× 30+5600 9450-3200-4200 = = = = = = 2400÷6 45 800× 7 180 1600 ÷2 230 4000 ÷8 + 350 320÷8 64 270 ÷ 3 9 × = = = = = = 24 . . 630 ÷9 + 320 2800+32 × 6 300÷6× 9 = = = = = = (6900-2400) ÷5（ 72÷9）÷ (56 ÷8) 54 ÷9 ×8 = = = = = = 280× 4 ÷560× 8+1570 60×(23-17) = = = = = = 960÷4× 9 350÷5× 9 450÷5+1250 = = = = = = (6900-2400) 5 ÷75÷ 15 20× 5 3090 6×6 = = = = = = (387387) 0 160 160÷80 750 550÷5 = = = = = = (111 189) ×3125× 8÷100 6× 250×0 = = = = = = 25 . . (1 7) ×(16 6) 810×4÷4 33÷ 11 4× 9 = = = = = = 187 299 299 587 496 674 2660 26÷26 = = = = = = 153÷153+657 32÷ (32 ÷16) 300 (300 222) = = = = = = 75÷ 15 20×5 （ 15075）× （25 20） = = = = 3390 10×95 687（ 99 67） = = = = 1000 （ 1000 988）3560 20×90 = = = = （ 250 150）÷ (30÷6) 687 999÷ 3 （ 4870-3675 ） 7200÷ 9 (9467-5642) ÷(350÷70) = = = = 26 . . 960÷4× 9 350÷5× 9 450÷5+1250 = = = = = = (6900-2400) 5 ÷75÷ 15 20× 5 3090 6× 6 = = = = = = (387 387)0 160 160÷80 750 550÷5 = = = = = = (111 189) ×3125× 8÷ 100 6× 250×0 = = = = = = (1 7) ×(16 6) 810× 4÷ 4 33÷11 4× 9 = = = = = = 187 299 299 587496 674 2660 26÷26 = = = = = = 153÷153+657 32÷ (32 ÷16) 300 (300 222) = = = = = = 27 . . 75÷ 15 20× 5 （150 75） × （ 2520） = = = = 3390 10× 95 687（99 67） = = = = 1000 （1000 988）3560 20× 90 = = = = （ 250 150） ÷ (30÷ 6) 687 999÷ 3 = = = = 2015 年三年级脱式计算题 132+12 ×37 250+23 × 38 440+13 ×36 = = = 28 . . = = = 199+25 × 89 819+49 × 90 418+57 × 67 = = = = = = 516+27 × 36 315+57 × 34 147+28 × 36 = = = = = = 518+18 × 47 419+29 × 54 128+28 × 19 = = = = = = 319+32 × 56 189+42 × 37 818+41 × 53 = = = = = = 32+65 × 37 850+27 × 38 269+85 × 39 = = = = = = 215+35 × 47 652+78 × 36 107+29 × 64 = = = 307+77 × 83 635+57 × 86 556+38 × 87 = = = = = = 29 . . 671+92 × 23 493+18 × 67 465+85 × 34 = = = = = = 378+ 54× 27 498+56 × 26 807+51 × 46 = = = = = = 909+37 × 35 414+58 × 47 731+59 × 67 = = = = = = 308+47 × 87 167+81 × 90 299+33 × 77 = = = = = = 506+21 × 49 190+76 × 34 41+47 × 36 = = = = = = 245+53 × 69 752+53 × 87 817+56 × 89 = = = = = = 837+68 × 36 865+98 × 49 356+76 × 58 561+57 × 92 43+59 × 38 458+86 × 36 = = = = = = 30 . . 538+ 27× 38 548+52 × 59 87+29 × 78 = = = = = = 299+39 × 48 544+56 × 21 531+51 × 88 = = = = = = 38+23 × 38 67+59 × 57 99+35 × 36 = = = = = = 516+55 × 65 90+53 × 38 49+82 × 49 = = = = = = 265+54 × 66 552+53 × 46 417+88 × 62 = = = = = = 237+26 × 48 665+39 × 45 256+15 × 64 = = = = = = 761+63 × 25 643+31 × 63 645+42 × 83 338+ 19× 62 648+33 × 59 587+19 × 83 = = = = = = 31 . . 999+26 × 63 644+42 × 39 431+24 × 66 = = = = = = 38+72 × 26 567+35 × 61 699+53 × 16 = = = = = = 506+56 × 56 19+23 × 93 99+53 × 33 = = = = = = 125+16 × 55 352+28 × 32 217+29 × 37 = = = = = = 307+46 × 52 265+23 × 53 556+73 × 26 = = = = = = 631+52 × 33 243+21 × 23 345+21 × 37 = = = = = = 378+ 49× 77 478+56 × 65 787+53 × 53 399+42 × 66 544+35 × 27 731+35 × 46 = = = = = = 32 . . 438+55 × 69 67+51 × 38 899+35 × 51 = = = = = = 506+32 × 64 177+58 × 35 741+34 × 57 = = = = = = 689+22 × 89 872+23 × 52 412+26 × 62 = = = = = = 541+20 × 87 49+52 × 15 396+41 × 35 = = = = = = 11+83 × 59 258+45 × 67 743+76 × 38 = = = = = = 529+ 25× 62 248+31 × 53 487+28 × 65 = = = = = = 38+35 × 46 344+25 × 75 831+56 × 65 51+16 × 62 267+35 × 59 846+28 × 73 = = = = = = 33 . . 125+35 × 82 127+28 × 39 59+26 × 38 = = = = = = 64+24 × 35 83+57 × 61 55+39 × 63 = = = = = = 71+21 × 63 581+51 × 52 753+53 × 82 = = = = = = 317+46 × 36 713+53 × 83 26+85 × 37 = = = = = = 305+ 44× 53 548+38 × 94 793+59 × 36 = = = = = = 389+52 × 34 544+37 × 92 131+28 × 56 = = = = = = 238+33 × 87 67+58 × 98 100+29 × 32 26+68 × 61 85+57 × 96 52+69 × 67 = = = = = = 34 . . 103+13 × 81 552+71 × 38 817+26 × 73 = = = = = = 745+35 × 91 565+37 × 93 856+17 × 83 = = = = = = 286+26 × 82 78+87 × 36 23+52 × 87 = = = = = = 90+56 × 38 999+27 × 37 888+28 × 38 = = = = = = 199+28 × 36 777+29 × 73 766+38 × 83 = = = = = = 666+27 × 72 767+81 × 90 399+29 × 92 = = = = = = 656+38 × 96 222+39 × 96 898+37 × 61 212+30 × 76 252+32 × 83 717+28 × 73 = = = = = = 35 . . 939+72 × 29 565+36 × 83 656+88 × 35 = = = = = = 828+35 × 63 121+63 × 16 555+86 × 37 = = = = = = 777+ 26× 42 323+43 × 67 111+29 × 37 = = = = = = 565+38 × 67 789+66 × 39 373+69 × 73 = = = = = = 646+85 × 69 167+26 × 83 399+78 × 39 = = = = = = 293+31 × 68 717+32 × 97 828+37 × 86 = = = = = = 73+15 × 46 90+76 × 19 52+16 × 38 = = = = = = 36 . . 67+12 × 35 29+15 × 32 83+26 × 18 = = = = = = 50+93 × 13 23+40 × 91 80+73 × 26 = = = = = = 12+57 × 34 863+26 × 26 353+55 × 63 = = = = = = 105+53 × 63 555+28 × 72 373+68 × 19 = = = = = = 55+16 × 62 66+38 × 67 121+49 × 82 = = = = = = 666+37 × 68 535+56 × 37 81+30 × 59 = = = = = = 33+26 × 14 51+18 × 67 19+84 × 19 = = = = = = 37 . . 87+26 × 88 95+31 × 72 59+77 × 81 = = = = = = 91+72 × 53 93+29 × 93 75+37 × 75 = = = = = = 88+85 × 38 68+62 × 26 37+33 × 43 = = = = = = 59+56 × 95 24+82 × 23 36+68 × 36 = = = = = = 78+73 × 87 57+85 × 95 99+59 × 59 = = = = = = 58+53 × 77 190+88 × 31 61+52 × 57 = = = = = = 31+3 5× 53 69+83 × 38 69+65 × 96 = = = = = = 38 . . 85+58 × 99 83+69 × 86 96+88 × 69 = = = = = = 75+55 × 68 29+73 × 67 89+92 × 28 = = = = = = 66+76 × 77 93+33 × 63 82+66 × 82 = = = = = = 99+59 × 71 82+87 × 73 51+22 × 37 = = = = = = 75+53 × 35 86+36 × 39 85+29 × 26 = = = = = = 63+28 × 27 29+37 × 38 82+66 × 73 = = = = = = 23+87 × 79 28+36 × 67 87+18 × 76 = = = = = = 39 . . 100+32 × 25 79+64 × 68 56+37 × 57 = = = = = = 893+35 × 49 74+59 × 68 563+37 × 48 = = = = = = 93+18 × 36 92+27 × 38 256+57 × 69 = = = = = = 123+13 × 26 93+23 × 36 71+89 × 16 = = = = = = 236+12 × 76 525+26 × 39 999+59 × 67 = = = = = = 302+38 × 67 36+27 × 38 82+36 × 27 = = = = = = 789-13 ×45 276 ÷3 1 ×9355÷5×29 (111 189) ×3687 999÷3 906÷(71-68) = = = = = = 40 . . 392+27 × 44 770÷ 7+651 81× 24÷ 4 = = = = = = 523 12× 23 455÷ 5+125 65× 29-450 2015 年三年级脱式计算题 25+3 2× 23 52+18 × 12 17+34 × 19 = = = = = = 37+16 × 28 65+11 × 12 56+37 × 21 = = = = = = 61+12 ×