一項數學挑戰 Math Challenge

我雖然有strong software engineer底, 但嗰陣時重年輕, 而且做咗sn management咁耐and現已與世無爭 (retired), 30秒就做吾到啦, 我要成差不多足足三分鐘先攪掂!  吾好咁早放棄呀, 每日用腦可預防老人症呀!

Ed

一項數學挑戰  A Math Challenge 這是項數學挑戰！有這麼一種說法：  你若是工程師，你應該可在三分鐘內（３０秒左右吧）解開這道題；If you are an Engineer, you only need 3 minutes (may be 30 seconds) 你若是建築師， 給你三小時；If you are an Architect, give you 3 hours 你若是醫生，給你六小時；If you are a Medical Doctor, give you 6 hours 你若是會計師，三個月吧∼ If you are an accountant, may be 3 months 假若你是律 師，大概永遠也解不出來。 If you are a lawyer, may be you won't ever figure it out! 請找出 "？" 格中的數字, 它即是開啟附件檔案的密碼．．． |---+----+----+------+------| | 2 | 3 | 4 | 15 | 12 | |---+----+----+------+------| | 3 | 4 | 5 | 28 | 20 | |---+----+----+---! --+-----| | 4 | 5 | 6 | 45 | 30 | |---+----+----+------+------| | 5 | 6 | 7 | 66 | 42 | |---+----+----+------+------| | 6 | 7 | 8 |   ?  | 56 | |---+----+----+------+------| 答案就是密碼，可以打開附件檔案。你若能順利解題，請將你的名字加上，存檔後再寄給你的朋友^^  Use the answer to open the file and update it with your name before passing on.