问题
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0,7/3 ,22/5 ,45/7 ,76/9 ,()A.12 B.13 C. 103/11 D. 115/11
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.0,7/3 ,22/5 ,45/7 ,76/9 ,() A.12 B.13 C. 103/11 D. 115/11
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7,13,39,61,103,()A.141 B.164 C.185 D.193
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7,13,39,61,103,()A.141B.164 C.185D.193
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-5,13,-29,()A.-61 B.-39 C.39 D.61
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7,13,39,61,103,()A.141 B.164 C.185 D.193