问题
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:4,2/3,20/27,7/16,36/125,() A.39/144B.11/54C.68/169D.7
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4, 3/2, 20/27, 7/16, 36/125, () A.39/144 B.11/54 C.68/196 D.7
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4,2/3,20/27,7/16,36/125,() A.39/144 B.11/54 C.68/169 D.7
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94,39,16,7,()A.1 B.2 C.3 D.4
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2,3,4,(),94,227。A.11 B.27 C.39 D.82
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1 1 3 4 9 7 ()。 A. 11 B. 5 C. 27 D. 10