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36×25%＋3.6×7.5简便计算
人气：118 ℃　时间：2020-02-15 08:50:57
解答
36×25%＋3.6×7.5
=36x0.25+3.6x7.5
=3.6x2.5+3.6x7.5
=3.6x(2.5+7.5)
=3.6x10
=36
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