五年級(jí)小數(shù)加減乘除混合運(yùn)算計(jì)算題練習(xí)題(1)

1、小數(shù)混合運(yùn)算專項(xiàng)訓(xùn)練1、解方程。15x450 2126x42 31.2×6+4x12 48.5xx22.52、用簡(jiǎn)便方法計(jì)算。10.25 ×3.2×12.5 236×10.130.25×44 422.2×4+17.8×43、用遞等式計(jì)算。12.6+1.4×1.51.5 2373.6÷4.8÷12.532.6+2.4×1.41.05 415.6÷16×0.25+1.2530.8÷14-(9.85+1.07) 60-(9.5+28.9)÷0.182.

2、881÷0.43-0.24×3.5 20×(2.44-1.8)÷0.4+0.1528-(3.4+1.25×2.4) 2.55×7.1+2.45×7.1777×9+1111×3 0.8×15.5-(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 36.25÷4.25×9.9 5180705×6 24&#

3、247;2.42.5×0.8 (4121+2389)÷7 671×15-974 469×12+1492 19.4×6.1×2.3 5.67×0.2-0.62 18.1×0.92+3.93 0.4×0.7×0.25 0.78+5.436+1 4. 8× 5÷4+1÷4 9. 9x5÷6+5÷6 10. 3÷4x8÷9-1÷3 14. 31x5÷6-5÷6 16. 5÷9x18-14x2&#

4、247;7 20. 3x2÷9+1÷3 35. 95÷64-45 36. 178-145÷5×6+42 7.2÷0.8-1.2×5 6.5×4.8-1.2×4 28-(3.4+1.25×2.4) 2.55×7.1+2.45×7.1 777×9+1111×3 31.8+3.2×4÷5 31.5×4÷(6+3) 0.64×25×7.8+2.2 2÷2.5+2.5÷2 19464.8

5、÷1.8×0.9 36.72÷4.25×9.9 5180705×6 24÷2.42.5×0.8 (4121+2389)÷7 671×15-974 469×12+1492 405×(3213-3189) 19.4×6.1×2.3 5.67×0.2-0.62 18.1×0.92+3.93 0.043×24+0.875 0.4×0.7×0.25 0.78+5.436+1 4.07×0.86+9.12240

6、5;78÷154-115 1437×2727×563 75-12+18÷15 2160÷83-79×18 280840÷24×5 325÷13×(266250)85×(951440÷24) 58870÷(10520×2) 1437×2727×563 81432÷(13×5278) 37.85-7.85+6.4 ×3094759976×64 36×(913276÷23) 1925

7、438×67 81432÷(13×5278) 94759976×64 60(9.528.9)÷0.182.881÷0.430.24×3.5 0.8×15.5-(3.21+5.79) 31.8 3.2×4÷519464.8÷1.8×0.9 36.72÷4.25×9.9 3.416÷0.016×350.8×(106.76)÷1.2 (6.8-6.8×0.55)÷8.5 0.12× 4.8&#

8、247;0.12×4.858+37÷64-9×5 812-700÷9+31×11 156×(17.7-7.2)÷33.2×1.5+2.5÷1.6 85+14×14+208÷26 120-36×4÷18+35 9.72×1.6-18.305÷7 3.2×1.5+2.5÷1.6 58+37÷64-9×5 (6.8-6.8×0.55)÷8.5 0.12× 4.8÷0.12&

9、#215;4.8 3.2×1.5+2.5÷1.6 120-36×4÷18+35 15-10.75×0.4-5.7 347+45×2-4160÷52 58+37÷64-9×5 7.1-5.6×0.9-1.15 ÷2.53.2×1.5+2.5÷1.6 5.4÷2.6×3.7-2.9+0.6212×6÷12-7.2-6 3.2×6+1.5+2.5÷1.63.2×1.5+2.5÷1.6 120-

10、144÷18+35 347+45×2-4160÷52 58+37÷64-9×5 95÷64-45 812-700÷9+31×11120-36×4÷18+35(6.8-6.8×0.55)÷8.5 0.12× 4.8÷0.12×4.8 0.8×15.5-(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+

11、2.5÷2 19464.8÷1.8×0.9 36.72÷4.25×9.9 5180705×6 24÷2.42.5×0.8 (4121+2389)÷7 671×15-974 469×12+1492 405×(3213-3189) 0.8×(106.76)÷1.219.4×6.1×24 5.67×0.2-0.6218.1×0.92+3.9324+0.875×990.4×0.7×0.250.7

12、5×102 100-56.23 31.50160÷40 58+370÷64-45 32.120-144÷18+35 33.347+45×2-4160÷52 3458+37÷64-9×5 35.95÷64-45 36.178-145÷5×6+42 420+580-64×21÷28 37.812-700÷9+31×11 136+64×65-345÷23 38.85+14×14+208÷26 120-36

13、5;4÷18+35 58+37÷64-9×5 (6.8-6.8×0.55)÷8.5 0.12× 4.8÷0.12×4.8 3.2×1.5+2.5÷1.6 3.2×1.5+2.5÷1.6 31.50160÷40 58+370÷64-45 32.120-144÷18+35 33.347+45×2-4160÷52 3458+37÷64-9×5 35.95÷64-45 36.178-145÷5&

14、#215;6+42 420+580-64×21÷28 812-700÷9+31×11 136+64×65-345÷23 284+16×512-8208÷18 120-36×4÷18+35 58+37÷64-9×5 (6.8-6.8×0.55)÷8.5 0.12× 4.8÷0.12×4.8 3.2×1.5+2.5÷1.6 23.2×1.5+2.5÷1.6 45.6-1.6÷4= 5.38+7.85-5.37= 46.7÷0.8-1.2×5= 6-1.19×3-0.43= 47.6.5×4.8-1.2×4= 0.68×1.9+0.3