小数的四则混合运算专项练习
年级:
一、递等式计算
[60- (9.5+28.9)] ÷0.18
姓名: 成绩:
2.881 ÷0.43 - 0.24 ×3.5 28- (3.4+1.25 ×2.4)
20×[(2.44 - 1.8) ÷0.4+0.15] (3.2 ×1.5+2.5 )÷ 1.6 194 -64.8 ÷1.8 ×0.9
78 ×50 -144 ÷1.2 7.4 -0.15 ×2.8 6.4 ×0.25 +3.6 ÷4
97.5 ÷0.39 -136.7 1.2÷ 0.25 + 1.3× 4 40.5 ÷0.81 ×1.05
0.8 ×[(10 -6.76) ÷1.2] 24÷2.4 -2.5 ×0.8 11.16 ÷( 10- 0.7 )
(31.8+3.2 ×4)÷5 0.64 ×25×7.8+2.2 46.7 ÷0.8 - 1.2 ×5
二、简便运算
3.72 ×3.5+ 6.28 ×3.5
36.8 - 3.9 +61. 2 5.48 -(9.4 - 0.52)
4.8 ×7.8 +78×0.52 3.6 ×102 (6.7 + 6.7+ 6.7+ 6.7 )× 2.5
12.3 ×4×0.25 56.5 ×9.9 +56.5 (1.25 -0.125) ×8
90 ÷5÷0.6 1.25 ÷ 0.4× 8 8.4 ÷1.25 ×0.8
5.27 +2.86 -0.66 +1.630.34 × 0.5× 0.8 1.25 ×2.5 ×32
27.5 ×3.7- 7.5 ×3.7 320÷1.25 ÷8 4.78 ÷0.2 + 3.44 3.65 ×10.1 5.6 ÷3.5 ÷2 0.89 ×100.1 5.83 ×2+ 4.27 4.36 ×12.5 ×8 15.75+3.59 -0.59+14.25 0.25 × (23 ×4)
18.76 ×9.9 +18.76 3.52 ÷2.5 ÷0.4
1.25 ×2.5 ×32 3.6 -0.6 ×2
3.6 -3.6 ×0.8 15.2 ÷0.25 ÷4
9.6 ÷0.8 ÷0.4 4.2 ×99+4.2
146.5 -(23 +46.5) 17.8 ÷(1.78 ×4)
(45.9 - 32.7) ÷8÷0.125 9.7 ×99 +9.7
15.6 ×13.1 -15.6 - 15.6 ×2.1
0.65 ×101