问题
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3,4,6,9,14,22,35,()。A.47 B.49 C.53 D.56
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3,4,6,9,14,22,35,()。A.47 B.49 C.53 D.56
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1.11, 4.21, 16.31, 64.41, ()。A.16.51 B.33.51 C.81.62 D.256.51
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1/51 4/53 9/56 16/60 ()A.18/61 B.20/63 C.25/65 D.27/69
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2,4,3,(),13/4,27/8,53/16。A.1 B.7/2 C.7/3 D.4
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1,4,8,16,51,()A.89B.168C.243 D.342