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

admin2012-05-06 76

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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