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設三角為x園為y方塊為z,通過題意得, x+y=35.1 y+z=57.2 x+z=46.3 3-1,得,z-y=11.4 2+4,得,2z=68,得z=34,則,x=12 所以y=23 三角為12,園為23,方塊為34, 無聊,打發時間
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