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数学
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已知3(5x+2)+5小于4x-6(x-1).化简lx+1l-lx-5l
人气:213 ℃ 时间:2020-04-24 06:44:58
解答
3(5x+2)+5<4x-6(x-1) .15x+6+5<4x-6x+1 17x<-10 x<-10/17 lx+1l-lx-5l =x+1-(5-x) =x+1-5+x =2x-4
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