GWD数学题一道~~~求救~~~help

piaoface · 发表于 2011-11-18 22:14:12

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~

fattybabe · 发表于 2011-11-18 22:54:52

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

piaoface · 发表于 2011-11-18 23:02:57

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

-- by 会员 fattybabe (2011/11/18 22:54:52)

~~~thank u~~~

vurtnze · 发表于 2011-11-18 23:03:53

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

stevenliang · 发表于 2011-11-19 00:38:17

同样认为题目有问题~~LZ再看看题目是否抄错~~

GWD数学题一道~求救~help

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