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.
$ H3 }  q- o1 d% c4 U7 Q1 o( i; l5 iThink about it this way 2 n! z) x. o9 m" @1 c
1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)
! ^+ z9 k& V0 L" z5.39.217.762) 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
; \; g, A* k$ c9 r9 N2 H
, p* A3 ?% e2 R6 P5 t5.39.217.76[ 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。* K2 \* b, U* T3 T  g% f
公仔箱論壇8 o4 Z( [" W; |' }
[ 本帖最後由 jwxie518 於 2007-5-21 03:51 AM 編輯 ]

leezhao2000

79+18