珍珠湾ART

标题: 看看你能不能在20秒内答出 [打印本页]

作者: 新用户 时间: 2005-1-12 04:31
标题: 看看你能不能在20秒内答出

How can you perform a subtraction on seven so that the result will be even,
but without subtracting any odd numbers?

作者: Jenny 时间: 2005-1-12 04:51
标题: I know it!

but I want to give the opportunity to other people!

作者: aa 时间: 2005-1-12 10:31
标题: 回复：看看你能不能在20秒内答出

seven - 's'

作者: 新用户 时间: 2005-1-13 18:56
标题: You got it right,, within 20 s? [:E]

You got it right,, within 20 s?

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