I got the exact formula but I am wondering if

來源: ZoyaWashington 於 2014-02-23 13:01:00 [] [舊帖] [給我悄悄話] 閱讀數 : (106 bytes)

there is an easier way to do this. If there were more steps, I'd say we need a software to calculate this.

請您先登陸，再發跟帖！