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标题: GWD数学题一道~~~求救~~~help [打印本页]

作者: zhangws 时间: 2011-12-1 07:00 标题: GWD数学题一道~~~求救~~~help

If positive integer x is divided by 2, the remainder is 1. What is the remainder when x is divided by 4?
(1) 31<x<35
(2) x is a multiple of 3

我觉得A是对的。。。
但是答案是C啊。。有木有。。伤
大家来help一下吧~~3Q~

作者: hanshipeng 时间: 2011-12-1 21:41

i think A too.

within the range is 31, 33, 35 so must be 33...

(2) it can be any number fits 6k +3 .. e.g. k = 0, remainder :3, k =1, remainder : 1. k=2 , remainder= 3

作者: zhangws 时间: 2011-12-2 06:40

~~~thank u~~~

作者: slmne 时间: 2011-12-2 21:33

IMO A ..Maybe there is something wrong with the problem itself.

作者: charles1992 时间: 2011-12-3 06:33

同样认为题目有问题~~LZ再看看题目是否抄错~~

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