标题: help [打印本页] 作者: yuwei 时间: 2002-12-24 15:29 标题: help
61. |X-2|<=3 問5X-2可能的值
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[确认]-17,25
I think x can be -1,0,1,2,3,4,5
so 5x-2 also has seven values.
Is it?作者: BATI巴蒂 时间: 2002-12-24 15:34
你是对的.可能JJ给出的条件不全.
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