【数学讨论稿101-200】519起数学讨论稿（更新至200题 5.29 14:58）

jingyang1986

机经120是机经55原题

jingyang1986

Evangeline璇 发表于 2016-5-26 22:32
楼主！我清楚地记得我考到了那个 生产了X 个产品，cost是c,有Y个没有卖掉,price是p,问总的revenue。
给的确 ...

这个真的是太奇怪了。。。。

jingyang1986

Evangeline璇 发表于 2016-5-26 22:32
楼主！我清楚地记得我考到了那个 生产了X 个产品，cost是c,有Y个没有卖掉,price是p,问总的revenue。
给的确 ...

那你记不记得选项里面带C的特征，是c*一个用其它字母表示的比例？还是c*X, OR C*Y的形式，另外机井里面的条件全不全。给的price是单个的价钱么? 多谢信息，哪怕是答案里面的特征也可以帮大家分析一下

jingyang1986

sunh0003 发表于 2016-5-28 01:25
hello, another note, i just realized that for question 176, if x>0 and y0, y then \x-y\ for sure not ...

哈哈哈哈哈

jingyang1986

sunh0003 发表于 2016-5-28 07:53
hello, thanks for your reply. but I still think answer should be A

for II, if x=3, y=-6, then \\x ...

OOOOPs, I c where am I wrong.  Thanks for explanation. Then agree with you A

jingyang1986

sunh0003 发表于 2016-5-28 08:26
hello, i think i am wrong, i was trying to make an opposite example, but actually you are right, ...

haaa， just delete the wrong answer , so that anyone else would not be misleaded。

jingyang1986

winsontan1818 发表于 2016-5-28 09:09
My GMAT is tomorrow.
Good Luck ~

Give you TEN!!! Good luck~

jingyang1986

chenminhao1987 发表于 2016-5-29 14:21
196题：一次函数与y轴永远相交吧，跟a,b都无关，选D？

忽然觉得好像是选D