5:(2x+y)=6:(x-2y),求x:y
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5:(2x+y)=6:(x-2y),求x:y
5:(2x+y)=6:(x-2y),求x:y
5:(2x+y)=6:(x-2y),求x:y
5:(2x+y)=6:(x-2y),
5(x-2y)=6(2x+y)
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-7x=16y
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