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#bb2b01dd-e7a7-46c3-9da6-a784dd2f79fc基础fill_compute交集定义与运算集合与常用逻辑用语

24.若用列举法表示集合A={(x,y)2x+y=1xy=2}A=\{{{({x,y})}\left\vert \begin{array}{l}{2x+y=1}\\ {x-y=2}\end{array}\right.}\},则A=A=____.

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