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已知x,y满足约束条件x>=0,y>=0,x+2y<=2. 若0<=ax+by<=2,则点（a,b）所形成区域分面积为

回复(1) 2011-05-15 11:57 来自版块 -

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: jenny2130：尽快~~~~~~~~~~~~(2011-05-15 12:06)

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