原帖由 wwk6002 於 2007-5-5 22:53 發表。 tvb now,tvbnow,bttvb5 f( r0 ^5 e! ?2 {$ d1 T
請答197的人想清楚!
& F6 _/ Y" c0 P' G/ i老闆用假的一百蚊(之後還返張真的一百蚊),換了真的一百蚊零錢,
8 ^4 _+ ?) e& } O; F$ E8 ]即係話只係用左一百蚊,就換黎真的一百蚊零錢,然後比左其中79蚊比買野條友,佢自己仲有21蚊,. s4 {0 Y' @/ k# Q8 x' y
用左一百蚊,剩返21蚊,所以蝕了79蚊,還有貨品(成本1 ... 7 D4 ]; {# X, t5 S( ?; P. MTVBNOW 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。. D( \% _6 ^) `) k0 {
: l# C! x# n2 A! N- QYes, your answer is correct, but is only the 1st part, u forgot he paid back another $100 to his neighbor, that is another $100, not related to the first $100, you really have to 想清楚 |