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) 1 b4 y2 J' U5 H0 x+ N/ |公仔箱論壇5-2=3 (taken by the employee): I2 a2 t1 Y2 w9 r2 m* B- H
3/3=0 (return back) 2 v- m y- o% A" z5.39.217.76) ~+ z _% H" L
so... what $1 are u refering to?????作者: happyman8866 時間: 2008-10-23 10:33 AM
At first they paid $30- + y* f0 \9 f) o7 kTVBNOW 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。and they get return $3- 9 K( u. i& K! |' c: G2 g% s7 C* |公仔箱論壇that mean they just paid $27- . b; _% B3 T; b+ F4 l7 g) c/ n5.39.217.76the owner take $25- and the servant take $2 : O7 p' Q7 i0 Ltvb now,tvbnow,bttvbso the sum is totally equal作者: happy小鬼 時間: 2008-10-23 01:47 PM