问题描述:
A组:1,6,7,12.B组:2,5,8,11.C组:3,4,9,10.
A组:1,6,7,12.
B组:2,5,8,11.
C组:3,4,9,10.
B组第30个数是几?
256是哪一组的第几个数?
A组:1,6,7,12.
B组:2,5,8,11.
C组:3,4,9,10.
B组第30个数是几?
256是哪一组的第几个数?
问题解答:
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