ce maths

阿忠

Originally posted by 基維蝦 at 2005-4-14 12:30 AM:

this year will be very difficult..

難........反而有著數.......如果你有心A

易既你可能錯D careless野，俾人食左個A

但份卷難...係你既就係你既

MatthewChor

Originally posted by 基維蝦 at 2005-4-14 12:30 AM:

this year will be very difficult..

that's good~

choy991044

Originally posted by 阿忠 at 2005-4-13 09:52 PM:


04年勁易

, 但我錯左7題

基維蝦

Originally posted by 2076 at 2005-4-14 10:37 AM:


一齊攬住去死law

我唔想死

基維蝦

Originally posted by MatthewChor at 2005-4-14 07:01 PM:

that's good~

一齊加油！！！

linkinpark

Originally posted by MZN at 2005-4-7 05:57 PM:

唔使多D, E 2 點都計到...

join PQ

ABC + ACB = 130
XPQ + YPQ = 360 - 130 = 230
XPY = 360 - 230 = 130 (ans)

Did you prove that XAYP is a concyclic ..
I'm confusing .. please help me ..