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用简便方法计算9.08乘1.8减3.7
人气:220 ℃ 时间:2019-11-20 00:56:18
解答
9.08*1.8-3.7
=9.08*1.8-2*1.8-0.1
=7.08*1.8-0.1
=12.744-0.1
=12.644
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