简便运算:(打印或抄题)
10÷3.14 - 6.86÷3.14
37.68÷0.25÷4
3.75-(2.75-1.3)
37.56-(18+7.56)
4.5×9.8
0.7÷0.125÷0.8
10.7÷0.25÷40
2.5×3.2×12.5
12.5×9.6×0.25
3.75-(2.8-1.25)
37.65÷0.4÷0.25
3.125÷8÷0.125
37.65-4.75-3.25
25×6.4×12.5
3.6×0.25
3.86 x 9.7 + 0.386 x 3
400x(0.7+0.25) ÷95
21.4 x 44 + 7.2 x 0.25 x 88
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