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标题: 请大家帮看到题 [打印本页]

作者: alvin    时间: 2003-1-2 05:22     标题: 请大家帮看到题

24. 运动员参加一运动会,每人得相同数量饮料,饮料同取于80drinks,最后剩余4个drinks
问选项中不可能是运动员数量的是:12,14,21,42,48。

这道题没有看明白,请大家给解释一下是什么意思,谢谢![em24]
作者: lilya    时间: 2003-1-2 09:37

这不是anniemoon的那道考题吗?
你是在哪本书里看到的?
作者: alvin    时间: 2003-1-3 01:06

it is a JJ in this website,I just can't figure it out what it is talking about,anyone can give me hand on it?
作者: mingja    时间: 2003-1-3 08:29

It is asking :

If X is the number of atheletes and 80= X C +4 where C is >0

Which of the  followings cannot be the value of X?

12,14,21,42,48

From what I calculate, all of them cannot be the value of X.


Only 80=19*4+4

In other words

what are the factors of 76

which are 1,2,4,19,38
作者: 春来草自香    时间: 2003-1-3 15:14

题目有错吧?做法按mongja说的没有错,其实就是求一个数的因子。




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