-
77, 49, 28, 16, 12, 2, () A.10 B.20 C.36 D.45
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77, 49, 28, 16, 12, 2, ()。A.10 B.20C.36 D.45
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1,0,2,2,6,10,()A.10B.16C.22 D.28
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77 49 28 16 l2 2 ()A.10B.20C.36D.45
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1,0,2,2,6,10,()A.10B.16C.22D.28
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77,49,28,16,12,2,()。 A.10 B.20 C.36 D.45
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77,49,28,16,12,2,()A.10B.20C.36D.45