题目内容
脱式计算,能简算的要简算
|
| (1)原式=8×1.25×(0.4×2.5) =10×1 =10 |
(2)原式=72×(100-1) =7200-72 =7128 |
| (3)原式=24× =8-3 =5 |
(4)原式=27.4-52.8÷4 =27.4-13.2 =14.2 |
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题目内容
脱式计算,能简算的要简算
|
| (1)原式=8×1.25×(0.4×2.5) =10×1 =10 |
(2)原式=72×(100-1) =7200-72 =7128 |
| (3)原式=24× =8-3 =5 |
(4)原式=27.4-52.8÷4 =27.4-13.2 =14.2 |