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.
: z% E& K4 K- \1 D! ?* s! C5.39.217.77:8898Think about it this way
' x( N: ?2 m! O5 a% D+ p1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)& T: z; C! D/ w6 b  Z% @. x
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
$ B! S# S  p2 B5.39.217.77:8898
, M  l- f: N" m" l5 ]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。[ 本帖最後由 tat_tat0210 於 2007-5-21 03:48 AM 編輯 ]

jwxie518

100= =4 a. j! @0 h1 `3 I

, U( \2 f. Z7 f6 a3 _' }: ^6 A[ 本帖最後由 jwxie518 於 2007-5-21 03:51 AM 編輯 ]

leezhao2000

79+18