2/x=1x+3 3Q
2/x=1x+3 3Q
数学人气：781 ℃时间：2019-12-13 05:30:24
优质解答
2／x＝x﹢3 x﹢3x﹣2＝0 x1＝﹙√17 ﹣3﹚／2 x2＝-﹙√17 ﹢3﹚／2
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