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 -$97 for sure.
2 Z+ p) [2 O" ~( i$ K, [! q! KThink about it this way
2 h. f- E, y) n1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)公仔箱論壇: z1 ]5 S- ~$ ?. a
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 77tvb now,tvbnow,bttvb$ O3 ]4 w9 t. j( R
tvb now,tvbnow,bttvb$ m6 H  b& \8 U1 y6 r  [
[ 本帖最後由 tat_tat0210 於 2007-5-21 03:48 AM 編輯 ]

jwxie518

100= =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。' [& f4 F8 b2 [" B3 E, k# ^/ s( z
tvb now,tvbnow,bttvb  F1 V: Y) d% w1 d/ q% K
[ 本帖最後由 jwxie518 於 2007-5-21 03:51 AM 編輯 ]

leezhao2000

79+18