排列 组合 概率 复习材料?

bo_dong

Does anyone know any good books on Permutation, Combination and Probability Concepts? I need to review those fomulas, but can't find enough info on OG or Barron. I prefer to read English materials though.

lewis

Sorry to say only Chinese version available:
http://forum.chasedream.com/dispbbs.asp?boardID=33&ID=9796
（3）《钱永强GRE&GMAT数学难题精解》PDF版 (4.33M)  下载 （4月27日更新）