Question

帮我出15道简便计算题(五)年级

Answer 1

1 12.78-(4.97+2.78)
2 12.83+2.25+1.75+6.17
3 8.23+4.5-8.23+4.5
4 1.01*8.7
5 [4.5+(2-0.75)]*15
6 7.24*[1/(3.1-3.09)]
7 4.21*6.2+5.79*6.2
8 0.25*0.87*0.4
9 28.57-0.86-6.57
10 (7.5*1.6)*(0.6*0.8)
11 0.25*4/0.25*4
12 12.53-5.69-3.53
13 102*5.07
14 (2.25+1.67)+1.75+6.33)
15 8.73+2.67-5.73+1.33

Answer 2

25×32×125
27×25-23×25
8.6×7.3+2.6×8.6+0.86
8×4×1.25
5.9-5.9×3.3-2.6×5.9
25×160÷8÷125
2.5×2.4×2.3
1.55×5.11+5.11×8.55-0.511
5.9×3.2+3.2×1.5+7.4×6.8
88×125-2.5×400
0.25÷8×4÷0.125
9.77÷（9.77×0.55×2-0.977）
25×88×16×125
9.99+（569×0.01-5.68）
3.7×（2.5×1.4×8）

Answer 3

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