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数学
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一、根据题意列出算式,不用计算.商店有苹果300千克,梨200千克.【1】梨的重量是水果重量的百分之几?
[4]梨的重量比苹果少百分之几?
人气:120 ℃ 时间:2019-10-11 13:52:55
解答
200/(200+300)=0.4
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