题目内容
用简便方法计算。
|
| (1)原式= 4.5×(7.1+2.9) = 45 |
(2)原式=0.4×0.25×23.6 =2.36 |
| (3)原式=(10-0.1)×3.6 =36-0.36 =35.64 |
(4)原式=0.386÷(0.25×0.4) =0.386÷0.1 =3.86 |
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题目内容
用简便方法计算。
|
| (1)原式= 4.5×(7.1+2.9) = 45 |
(2)原式=0.4×0.25×23.6 =2.36 |
| (3)原式=(10-0.1)×3.6 =36-0.36 =35.64 |
(4)原式=0.386÷(0.25×0.4) =0.386÷0.1 =3.86 |