问题
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:45,25,20,(),15,-1O A.10B.15C.-lOD.5
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2 , 10 , 5 , 25 , 9 , 45 , 3 , ()A . 17 B . 20 C . 2 D . 15
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45,25,20,(),15,-1O A.10B.15C.-lOD.5
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5,24,6,20,(),15,10,() A.7,15B.8,12C.9,12D.10.1O
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2, 10, 5, 25, 9, 45, 3, () A.17 B.20 C.2 D.15
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下列四个序列中,哪一个是堆()。A、75,65,30,15,25,45,20,10B、75,65,45,10,30,25,20,15C、75,45,