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【单选题】
设二根结点的层次为0,一棵深度(高度)为k的和同样深度的完全二各有f个结点和c个结点,下列关系式正确的是(24)。
A.
f>=c
B.
c>f
C.
f=2k-1
D.
c>2k-1
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A.
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B.
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A.
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B.
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D.
慢性宫颈炎
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