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标题: What is that number? [打印本页]

作者: 新用户 时间: 2005-2-17 07:23
标题: What is that number?

There is a number less than 3000 that
when divided by 2 leaves a remander of 1,
when divided by 3 leaves a remander of 2,
when divided by 4 leaves a remander of 3,
When divided by 5 leaves a remander of 4,
when divided by 6 leaves a remander of 5,
and so on up to nine.

What is that number?

最好能给出思路，而不仅仅是答案

作者: tcpip004 时间: 2005-2-17 08:29
标题: 回复：What is that number?

如果把这个数加一，就可以整除2，3，4，5，6，7，8，9。那么求他们的最小公倍数就可以了。

这个数是： 9×8×7×6－1 ＝ 2519

作者: google来的？ 时间: 2005-2-17 22:29
标题: 7，8，9从哪里来的？

7，8，9从哪里来的？

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