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如图,△ABC中,AD=2DB,AE=3EC,CD与BF交于F,设,,,则(x,...
如图,△ABC中,AD=2DB,AE=3EC,CD与BF交于F,设
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,
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,
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,则(x,y)为( )
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A.
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B.
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C.
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D.
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考点分析:
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