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如图,E是平行四边形ABCD的边BC的延长线上的一点,连接AE交CD于F,则图中...
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如图,E是平行四边形ABCD的边BC的延长线上的一点,连接AE交CD于F,则图中共有相似三角形( )
A.1对
B.2对
C.3对
D.4对
考点分析:
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B.
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.
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表示
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的最大值和最小值.
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