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) 4 }- |3 e& J- B# R5-2=3 (taken by the employee) + v g5 [1 o' ]+ u. j. Ltvb now,tvbnow,bttvb3/3=0 (return back)# y c+ s, G) d) E1 a, ^
公仔箱論壇" k; s' W( I7 U. z! ?7 _ Q9 Z2 g
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5 {+ m* }: a" |3 F
and they get return $3- ! u7 [% R8 e3 Ithat mean they just paid $27-tvb now,tvbnow,bttvb l" G! q( v8 A9 ^7 a
the owner take $25- and the servant take $2 ) y: P+ w! A0 P; s! T ^so the sum is totally equal作者: happy小鬼 時間: 2008-10-23 01:47 PM