问题
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1, 1, 8, 16, 7, 21, 4, 16, 2, () A.10;B.20;C.30
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1, 1, 8, 16, 7, 21, 4, 16, 2, () A.10;B.20;C.3
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1, 1, 8, 16, 7, 21, 4, 16, 2, () A.10;B.20;C.3
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1,l,8,16,7,21,4,16,2,() A.10 B.20 C.30 D.40
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1, 1, 8, 16, 7, 21, 4, 16, 2, ()A.10 B.20 C.30 D.40
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1,1,8,16,7,21,4,16,2,()。A.10 B.20 C.30 D.40