这题目其实是故意混乱大家的。。。其实三人所付的27元是住宿费25元加员工私吞的2元,然后30减掉27元就是员工给回他们的每人1元。。。 根本就没有消失掉。。。作者: chea76 時間: 2008-10-23 09:58 AM
30-25=5 (paid for rent)公仔箱論壇1 S( W! E9 f. C% T
5-2=3 (taken by the employee) u& x$ `- {& S: [
3/3=0 (return back) + x7 k: N: c4 w1 |% p' ^& T' t8 k2 y( M" I9 ?
so... what $1 are u refering to?????作者: happyman8866 時間: 2008-10-23 10:33 AM
At first they paid $30-公仔箱論壇$ ?% m4 {4 s; r3 S
and they get return $3- 5 g! _% T& B+ @: Fthat mean they just paid $27-: e# ~2 t2 j* m P
the owner take $25- and the servant take $2TVBNOW 含有熱門話題,最新最快電視,軟體,遊戲,電影,動漫及日常生活及興趣交流等資訊。. p5 {9 F; ]4 h: z
so the sum is totally equal作者: happy小鬼 時間: 2008-10-23 01:47 PM