问一道prep上的数学题

jiejiexi · 发表于 2010-12-25 21:16:05

＋	X Y Z
4 e f	1 -5 m 7 n 10 2 -4 5

求m+n

blackpea · 发表于 2010-12-26 00:19:05

由图 M+N=(4+Z)+(e+Y)
因为 4+Y=-5 => y=-9
Z+e=10
带入第一式: M+N=4+10-9=5

blackpea · 发表于 2010-12-26 00:20:22

你去找个PREP数学的完整详解版用起来比较方便

lbccd · 发表于 2010-12-26 00:46:09

吓死我了这个...

sdcar2010 · 发表于 2010-12-26 01:00:49

No picture, no truth!

sdcar2010 · 发表于 2010-12-26 01:04:07

But I got it now. That's purely 4th grade algebra and the values for X column are wasted.

jiejiexi · 发表于 2010-12-26 07:48:23

谢谢懂了啊我找了但是好像没找到呢

Rebeca · 发表于 2010-12-26 09:53:13

But I got it now. That's purely 4th grade algebra and the values for X column are wasted.

-- by 会员 sdcar2010 (2010/12/26 1:04:07)

说的全是鹰文，你不会是外国佬吧...

晓桐190 · 发表于 2010-12-26 17:21:11

But I got it now. That's purely 4th grade algebra and the values for X column are wasted.

-- by 会员 sdcar2010 (2010/12/26 1:04:07)

说的全是鹰文，你不会是外国佬吧...

-- by 会员 Rebeca (2010/12/26 9:53:13)

哈哈，看到那句 no picture,no truth 就应该知道他不是外国佬了吧

所属分类: GMAT考试