初一人教版数学书上册102页复习巩固 2 ,3题
初一人教版数学书上册102页复习巩固 2 ,3题
数学人气：523 ℃时间：2019-10-19 17:36:08
优质解答
二式为4x-y=3.一式为4x-10y=6.则一减二为-9y=3.y=1/3.x=-1/4
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