题目内容
计算,能简算的要简算
|
| (1)原式= = = |
(2)原式=11×5.4 =(10+1)×5.4 =54+5.4 =59.4 |
| (3)原式=(38.75+61.25)-(15.38+4.62) =100-20 =80 |
(4)原式= = = |
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题目内容
计算,能简算的要简算
|
| (1)原式= = = |
(2)原式=11×5.4 =(10+1)×5.4 =54+5.4 =59.4 |
| (3)原式=(38.75+61.25)-(15.38+4.62) =100-20 =80 |
(4)原式= = = |