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（46.5*50%-3）除以5/6有简便算法吗?
人气：386 ℃　时间：2020-01-28 12:50:29
解答
(46.5x50%-3)÷5/6
=46.5x5/10x6/5-3x6/5
=4.65x6-18/5
=6x(4.65-0.6)
=6x4.05
=24.3
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