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标题: 求助 JJ488 [打印本页]

作者: mftomohawk 时间: 2012-6-2 01:48
标题: 求助 JJ488
PS: 1/(x+1) > 1/x; 求x的范围

is the answer
-1<x<0

作者: cdltc 时间: 2012-6-2 02:30
楼主笔误了吧
－1<x<0

作者: mftomohawk 时间: 2012-6-2 02:42
xiexie

is this answer right?

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