3,10,21,35,51,()
A.59
B.66
C.68
D.72
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3, 10, 21, 35, 51, () A. 59 B. 66 C. 68 D. 72
3, 10, 21, 35, 51, () A、59B、66 C、68 D、72
41 59 32 68 72 ()A.28 B.36 C.40 D.48
41,59,32,68,72,() A.28 B.36 C.40 D.48
3, 10, 21, 35, 51, ()。A.59 B.66 C.68 D.72
3,10,21,35,51,() A.59 B.66 C.68 D.72