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. 5.39.217.768 q* J8 o# @& O6 [, j
Think about it this way 2 v4 Y  W) K3 j4 n) h
1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)3 [/ b8 _! T+ u) d# K0 G$ m
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
1 U  q/ W: H. ?# Mtvb now,tvbnow,bttvb  a& T$ H/ I) n+ ]; o
[ 本帖最後由 tat_tat0210 於 2007-5-21 03:48 AM 編輯 ]

jwxie518

100= =公仔箱論壇+ |3 e; C& ^$ t: n8 X- B- t( x

- _; N6 B; b, T9 P$ J/ t; @1 G. }公仔箱論壇[ 本帖最後由 jwxie518 於 2007-5-21 03:51 AM 編輯 ]

leezhao2000

79+18