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零点零零五加九十九乘以百分之零点五怎么简便
人气:183 ℃ 时间:2019-08-20 18:20:23
解答
0.005+99×0.5%
=0.005+99×0.005
=0.005×(99+1)
=0.005×100
=0.5
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