有关 og数学难题错题

好多NN都推荐 og数学难题错题 ，可是我在CD上找了很久都没找到，请问下有谁手头上有吗？

有的话发我下邮箱吧～ 

 jzfxd[在] yahoo.com.cn 

在下跪谢！

I need it badly. zhangwuhong[在] yahoo.com.

Thank you so much!

If possible, I need it, too.

zwt2266(＠) 126.C0M

Thank you every much!

me too.

Maths questions are more difficult than I expected.

chen0177@ntu.edu.sg

Thanks a lot.

I need it too. 

uraniayao(A) hotmail.com

Thanks a lot

me too

plumliao(ａ) 163.com

thank you