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试题原文 |
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(1)[2.25+(3
=[2.25+(3.6-0.55)]÷0.4, =[2.25+3.05]÷0.4, =5.3÷0.4, =13.25; (2)1
=(1+
=(1+2+3+4+…+10)+(
=(1+10)×10÷2+(
=11×10÷2+(1-
=55+(1-
=55+
=55
(3)(5.4×1
=(5.4×
=(7.2+8.8)×125.5, =16×125.5, =2008; (4)(1+
=(1+
=(1+
=(
=(
=
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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“[2.25+(335-1.21×511)]÷40%112+216+3112+4120+…+101110(5.4×1..”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”。