If you count from 1 to 100, how many "8"s will you pass on the way?

admin2012-05-06  47

问题 If you count from 1 to 100, how many "8"s will you pass on the way?

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答案20

解析 如果从1数到100,能数到多少个8?仔细查找,应该是20个。
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