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[Problem Solving]

试题详情

题目:

What is the smallest integer n for which 25n > 512?

选项:

A、6
B、7
C、8
D、9
E、10

答案:

B

提问:

希望老师帮忙解答一下这道题解题思路和考点: For 2的20次方 – k when k is a single digit integer, if 2的20次方 – k is divisible by 3, then which of the following could be a value of k? 1 4 7 Answer: 1,4,7

解答:

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阅读3377
解答: 徐小梅

提问:

希望老师帮忙解答一下这道题解题思路和考点: For 2的20次方 – k when k is a single digit integer, if 2的20次方 – k is divisible by 3, then which of the following could be a value of k? 1 4 7 Answer: 1,4,7

解答:

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阅读3371
解答: ken@boost.org.cn老师

提问:

希望老师帮忙解答一下这道题解题思路和考点: For 2的20次方 – k when k is a single digit integer, if 2的20次方 – k is divisible by 3, then which of the following could be a value of k? 1 4 7 Answer: 1,4,7

解答:

点赞0
阅读3365
解答: 徐小梅老师

提问:

希望老师帮忙解答一下这道题解题思路和考点: For 2的20次方 – k when k is a single digit integer, if 2的20次方 – k is divisible by 3, then which of the following could be a value of k? 1 4 7 Answer: 1,4,7

解答:

点赞0
阅读3378
解答: 徐小梅老师

提问:

希望老师帮忙解答一下这道题解题思路和考点: For 2的20次方 – k when k is a single digit integer, if 2的20次方 – k is divisible by 3, then which of the following could be a value of k? 1 4 7 Answer: 1,4,7

解答:

点赞0
阅读3373
解答: 徐小梅老师

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