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试题原文 |
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(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 |
经过对同学们试题原文答题和答案批改分析后,可以看出该题目“脱式计算下面各题。(1)0.125×9.3×0.8(2)9.83×1.5+1.5×0.1..”的主要目的是检查您对于考点“小学小数的四则混合运算及应用”相关知识的理解。有关该知识点的概要说明可查看:“小学小数的四则混合运算及应用”。