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[Problem Solving]

试题详情

题目:

In the sequence 1, 2, 4, 8, 16, 32, …, each term after the first is twice the previous term.  What is the sum of the 16th, 17th, and 18th terms in the sequence?

选项:

A、
B、
C、
D、
E、

答案:

E

提问:

ps

解答:

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阅读838
解答: sysadmin

提问:

16th的数是2^15,17th的数是2^16,18th的数是2^17 下一步怎么做呢 这事幂函数的知识点吧?

解答:

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阅读830
解答: sysadmin老师

提问:

ps

解答:

点赞0
阅读839
解答: sysadmin老师

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