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。4 `9 D2 D# R2 H8 _9 B
Think about it this way www1.tvboxnow.com' H1 z* y( [1 L2 m' }' W
1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)
5 R/ G% P1 K8 p1 i* B6 W+ U  i2) 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 77www1.tvboxnow.com! a0 B! {* p. m! O5 j6 }
tvb now,tvbnow,bttvb* q9 O/ Y2 L+ j4 u( ^
[ 本帖最後由 tat_tat0210 於 2007-5-21 03:48 AM 編輯 ]

jwxie518

100= =
4 B$ T7 h# O+ U6 d7 K
9 H2 B2 C, ~* jTVBNOW 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 jwxie518 於 2007-5-21 03:51 AM 編輯 ]

leezhao2000

79+18