题目内容
脱式计算下面各题。
|
| (1)0.125×9.3×0.8 =0.125×0.8×9.3 =0.1×9.3 =0.93 |
(2)9.83×1.5+1.5×0.17 =(9.83+0.17)×1.5 =10×1.5 =15 |
| (3)(12+23.1÷0.75)×0.4 =(12+30.8)×0.4 =42.8×0.4 =17.12 |
(4)2.8×10.1 =2.8×(10+0.1) =2.8×10+2.8×0.1 =28.28 |
| (5)[18.8﹣(4.5+2.7)]÷5 =(18.8-7.2)÷5 =11.6÷5 =2.32 |
(6)50﹣13.5﹣6.5 =50-(13.5+6.5) =50-20 =30 |
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