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6.4+3.6*0.05简便计算
人气：415 ℃　时间：2020-05-20 04:48:14
解答
6.4+3.6*0.05
=6.4+1.8x2x0.05
=6.4+1.8x0.1
=6.4+0.18
=6.58
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