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试题原文 |
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①5.2×1
=5.2×
=(5.2+2.8)×
=8×
=10; ②2
=2
=2
=
③[3.75-(
=[3.75-
=[3.75-2.4]÷0.6, =1.35÷0.6, =2.25; ④
=
=
=
=
⑤(7
=7
=7
=7
⑥
=
=
=1; ⑦(
=(0.4×4.27+8.54×0.7)÷4.27×0.25, =(1.708+5.978)×0.25÷4.27, =7.686×0.25÷4.27, =1.9215÷4.27, =0.45; ⑧1
=(1+3+5+7+9)+(
=25+(
=25+(
=25+
=25
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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“计算①5.2×114+245÷45②258-(23+14+56)③[3.75-(15+13)×412]÷35④1..”的主要目的是检查您对于考点“小学运算定律和简便算法”相关知识的理解。有关该知识点的概要说明可查看:“小学运算定律和简便算法”。