原帖由 wwk6002 於 2007-5-5 22:53 發表。
. S, P) x" `% ?& H, }* r% P; Q7 t' f5.39.217.77:8898請答197的人想清楚!
/ q: O0 Q+ T( b: z1 x8 T; W4 T# jtvb now,tvbnow,bttvb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,公仔箱論壇0 G% c# R% c) _4 m; }+ q8 H' v( D
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,5.39.217.77:88989 n! Z% F5 Y- ~$ H" n" C
用左一百蚊,剩返21蚊,所以蝕了79蚊,還有貨品(成本1 ... $ n( D4 N1 K% \. L
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4 g6 j/ p" x, Z L5.39.217.77:8898Yes, 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 |