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(2x-3)/(x+2)<1解不等式
人气:492 ℃ 时间:2020-06-05 02:01:53
解答
(2x-3)/(x+2)<1
(2x-3)/(x+2)-1<0
(2x-3-(x+2))/(x+2)<0
(2x-3-x-2)/(x+2)<0
(x-5)/(x+2)<0
-2
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