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-1, 2, -3, 4, ... , $$a_{n}$$, ................... , -99, 100
In the finite sequence, $$a_{n}$$=$$(-1)^{n}$$*n for all integers n between 1 and 100, inclusive.
In the finite sequence, $$a_{n}$$=$$(-1)^{n}$$*n for all integers n between 1 and 100, inclusive.
Quantity A
The sum of the terms in the sequence
Quantity B
51
B显示答案
· 相关考点
6.2.3 其他数列
6.3.3 其他数列
以上解析由 考满分老师提供。
