21+50+15=86TVBNOW 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。( h5 i5 U- s+ ~/ `
why 86...tvb now,tvbnow,bttvb2 C; m% B& q) j. A i, b
becos he change 50 "small money" then giv bck to customer 29 and he keep the balance 21
3 |, g0 v+ H6 J1 S5 I% Gthen he giv bck his fren 503 |* |! _+ M/ x* k9 b% C6 a$ s/ v
and the shoes cost is 15
8 H; P3 E- g8 t: m* t2 k公仔箱論壇: O$ S4 e/ ~8 |* S5 T! Z7 w
so total he loss is 86...: t# I$ N) t S' ~! j: h
www3.tvboxnow.com9 Z& A- I# H8 u8 D
[ 本帖最後由 ooichse 於 2008-12-3 01:54 AM 編輯 ] |