jayjan2046

97啦

icy2828

total lost $197

foofoo8282

....ME A BIT STUPID 179+ITEM......CORRECT.....

shhak47

97元，肯定对

209241

亏了197+礼物

davelui

?????????

prozzy

the answer is -$97 for sure. TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。& L7 r+ C. U  q% U# v5 c# e: m
Think about it this way 8 ~$ G$ x$ [  i6 z! |
1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)
* {3 t- _1 h1 L# ]8 l公仔箱論壇2) Now, the owner discovered that the 100 bucks is fake. You can think this as a lost of $100. therefore the overall gain is $3-$100 = -$97

dg168168

ryukihero

79-(21-18)+100+18=197

sisccsis

i would say $97 (79 + 18)

tmac2008

97 easy

tat_tat0210

i think it's 77! Z( v) y: A* i( I

' S! l% @4 N2 }3 }1 C6 i" hTVBNOW 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。[ 本帖最後由 tat_tat0210 於 2007-5-21 03:48 AM 編輯 ]

jwxie518

100= =www3.tvboxnow.com' l* i. P; x7 @
3 f' m7 `/ J: H, l
[ 本帖最後由 jwxie518 於 2007-5-21 03:51 AM 編輯 ]

leezhao2000

79+18