恭喜楼主,哥我来了!
移步看看【春哥版】的整理稿,帮忙找点错误出来!
萝姬:http://forum.chasedream.com/GMAT_Math/thread-718109-1-1.html
悦读:http://forum.chasedream.com/GMAT_Math/thread-718745-1-1.html
-- by 会员 jiangyibq (2012/5/23 8:53:43)
http://hi.baidu.com/stepofsoul/blog/item/f1734f4e33ac190ab2de057b.html
应该和这篇的原理差不多吧·嘿嘿·
-- by 会员 逆水潜龙 (2012/5/23 7:15:27)