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试题原文 |
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(1)1÷4÷8÷0.25÷12.5 | (2)9.75﹣5.42﹣(0.25+2.58) =9.75﹣5.42﹣0.25﹣2.58 =(9.75﹣0.25)﹣(5.42+2.58) =9.5﹣8 =1.5 |
(3)8×2.7+6.2×1.4+3.5×8.6 =8.6×2.7+6.2×1.4+3.5×8.6 =(2.7+3.5)×8.6+6.2×1.4 =6.2×8.6+6.2×1.4 =6.2×(8.6+1.4) =6.2×10 =62 | (4)[+(20﹣4.7)×6]÷102.2 =[+15.3×6]÷102.2 =[+×]÷102.2 =[+102]÷102.2 =102.2÷102.2 =1 |
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,能简算的要简算。(1)1÷4÷8÷0.25÷12.5(2)9.75﹣5.42﹣(0...”的主要目的是检查您对于考点“小学分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:“小学分数的四则混合运算及应用”。