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5.68乘以0.99加0.0568的简便计算
人气:347 ℃ 时间:2020-05-21 18:04:07
解答
5.68×0.99+0.0568
=5.68×0.99+5.68×0.01
=5.68×(0.99+0.01)
=5.68×1
=5.68
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