国际顶尖MBA申请交流平台--TOPWAY MBA

标题: 数学请教 [打印本页]

作者: xp635 时间: 2008-9-18 11:49 标题: 数学请教

+
X
Y
Z
4
1
-5
m
e
7
n
10
f
2
-4
5

the value of m+n?

请各位牛人解释这题是怎么做滴阿？不甚感激

作者: xp635 时间: 2008-9-18 13:26

this is from GMATPrep, anybody shows some direction?

作者: xp635 时间: 2008-9-21 11:30

I got a interpretation like follow:

X+4=1 so X=-3

X+e=7 so e=10

X+f=2 so f=5

second column

Y+4=-5 so Y=-9

Y+e=n >>-9+10=1 >> n=1

third column

Z+e=10>>Z+10=10>> Z=0

Z+4=m>>0+4=4 >> m=4

in conlusion: m+n=4+1=5

your comments are appreciated

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