求未知数x的值:x+12x=459(x-1)=3(x+8)0.372:0744= 发布时间:2017-05-05 16:19 │ 来源:www.tikuol.com 题型:解答题 问题: 求未知数x的值:x+12x=459(x-1)=3(x+8)0.372:0744=110:x.
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