题目内容
能简便的用简便方法计算。
|
| (1)原式= 4×0.25×3.09 =1×3.09 =3.09 |
(2)原式=18.75-4.57-0.43 =14-0.43 =13.57 |
| (3)原式=2.6×(11.8-0.9×2) =2.6×10 =26 |
(4)原式= 4.02÷(0.6÷0.1) = 4.02÷6 =0.67 |
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题目内容
能简便的用简便方法计算。
|
| (1)原式= 4×0.25×3.09 =1×3.09 =3.09 |
(2)原式=18.75-4.57-0.43 =14-0.43 =13.57 |
| (3)原式=2.6×(11.8-0.9×2) =2.6×10 =26 |
(4)原式= 4.02÷(0.6÷0.1) = 4.02÷6 =0.67 |