回复：give you an interesting one. LOL

来源: innercool 于 2009-08-28 14:04:51 [] [博客] [旧帖] [给我悄悄话] 阅读数 : (35 bytes)
回答: have you try it using 100 years old? LOL 由 nanochip 于 2009-08-28 11:36:21

1.

10^2, 11^2, ..., 21^1=441

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