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6.4×0.25+3.6÷4简便算法
人气：357 ℃　时间：2020-03-26 11:24:05
解答
6.4×0.25+3.6÷4
=6.4×1/4+3.6÷4
=6.4÷4+3.6÷4
=（6.4+3.6）÷4
=10÷4
=2.5
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