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 -$97 for sure.
+ p( @" z# ^" ZThink about it this way
/ c0 ^$ U0 J) c: j2 }公仔箱論壇1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)
, W$ n8 d( Q9 u) d1 c+ Y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
" z5 s* h" Z1 }7 p% Z' h( l' Z
* c) f4 ]& K( x6 y  |  w) XTVBNOW 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= =公仔箱論壇% p5 y2 u9 W! m; x) |) L$ D) H! Z

0 {8 j( u2 y4 _- q5.39.217.77[ 本帖最後由 jwxie518 於 2007-5-21 03:51 AM 編輯 ]

leezhao2000

79+18