题目内容
无穷数列{}中,
(n∈N),则该数列中所有实数项之和为
[ ]
A.1
B.

C.

D.

答案:B
解析:
解析:
解 |

练习册系列答案
相关题目
题目内容
无穷数列{}中,
(n∈N),则该数列中所有实数项之和为
[ ]
解 |