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[函数] 函数

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hjfmhh Posted 2015-9-18 17:43 |Read mode

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最后两步不理解

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存★在 Posted 2015-9-22 15:20

这个小题另外还有条件的，结合上去，再看图就可以了。

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Author| hjfmhh Posted 2015-9-24 11:41

还有什么条件

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存★在！！

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存★在！！ Posted 2015-9-24 12:45

0≤b-2a≤1，就是直线g(x)=ax+b=m过点A(-2,1)时的m 的范围

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