阿忠 發表於 2005-4-14 16:32:07

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:icon090:

MatthewChor 發表於 2005-4-14 19:01:47

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

this year will be very difficult..
that's good~:icon094:

choy991044 發表於 2005-4-14 22:19:06

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


04年勁易:icon032:
:icon075:, 但我錯左7題:icon102:

基維蝦 發表於 2005-4-15 18:37:42

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


一齊攬住去死law:icon045::icon045:
我唔想死:o

基維蝦 發表於 2005-4-15 18:37:58

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

that's good~:icon094:

一齊加油！！！:o

linkinpark 發表於 2005-4-17 09:00:07

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 ..
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