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试题原文 |
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解:(1)125×9.3×0.08, =125×0.08×9.3, =10×9.3, =93; (2)13.7×102-2×13.7, =13.7×(102-2), =13.7×100, =1370; (3)(6.7+6.7+6.7+6.7)×2.5, =6.7×4×2.5, =6.7×(4×2.5), =6.7×10, =67; (4)4.5÷[(27.8-25.3)×0.4], =4.5÷[2.5×0.4], =4.5÷1, =4.5; (5)0.096÷0.01+(75-28÷112), =0.096÷0.01+(75﹣0.25), =0.096?0.01+74.75, =9.6+74.75, =84.35; (6)90.8-(7.03-2.17)×4.5, =90.8-4.86×4.5, =90.8-21.87, =68.93 |
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“计算下面各题,能简算的要简算。125×9.3×0.0813.7×102-2×13...”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”。