21+50+15=86
- P# t& J( [: E( D! Y6 oTVBNOW 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。why 86...
' p, ^# o/ l' X0 Los.tvboxnow.combecos he change 50 "small money" then giv bck to customer 29 and he keep the balance 21
* q3 A ?0 M2 ?( w7 E* Z4 Mtvb now,tvbnow,bttvbthen he giv bck his fren 50tvb now,tvbnow,bttvb4 \* W; G1 t$ p2 z
and the shoes cost is 15tvb now,tvbnow,bttvb. H! I/ Q5 X3 f3 I8 x7 d
, W" s5 H. l$ x3 c2 zso total he loss is 86...
+ n3 D! Z b3 H& p' ~* z
: }" M9 j; n( [0 j3 i. [. m[ 本帖最後由 ooichse 於 2008-12-3 01:54 AM 編輯 ] |