问题
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4, 13, 22, 31, 45, 54, () A. 60,68 B. 61,70 C. 55,61 D. 72,80
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4, 13, 22, 31, 45, 54, () A. 60,68 B. 61,70 C. 55,61 D. 72,80
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2,3,8,18,24,81,(),() A.48,324 B.64, 244 C.72,534 D.25,648
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6,25,64,(),32,1A.81B.72C.63D.54
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2001~2006年兵团棉花产量的平均增长速度是()。A.12.81% B.8.14%C.10.72% D.11.22%
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6,13,22,35,54,81,()。A.115 B.117 C.118 D.116