F(2,5)=69 or F(-2,-5)=69, I think the Q is right.

本帖于 2012-06-08 15:17:10 时间, 由版主 idiot94 编辑
回答: THANKS,PLESE TRY THIS;XX+4XY+YY=69,NO SOLUTION.jinjing2012-03-11 19:29:43
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