题目内容
计算下列各题。(能简算的要简算)
|
| (1)原式=2.3+3.91÷2.3 =2.3+1.7 = 4 |
(2)原式=2.5×0.4×0.8×1.25 =1×(0.8×1.25) =1 |
| (3)原式=1.82×0.25+0.25×2×4.09 =(1.82+8.18)×0.25 =12.5 |
(4)原式=1.9+7.2÷0.24 =1.9+30 =31.9 |
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题目内容
计算下列各题。(能简算的要简算)
|
| (1)原式=2.3+3.91÷2.3 =2.3+1.7 = 4 |
(2)原式=2.5×0.4×0.8×1.25 =1×(0.8×1.25) =1 |
| (3)原式=1.82×0.25+0.25×2×4.09 =(1.82+8.18)×0.25 =12.5 |
(4)原式=1.9+7.2÷0.24 =1.9+30 =31.9 |