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.
. T2 \; ?/ `* L4 zThink about it this way 4 u0 l4 ?5 a3 W- U# \* ?
1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18); S' l/ g8 }9 k. R0 W' ~
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
, I" O2 T5 p6 e- E6 ?5.39.217.76
5 h$ p+ S# n; y/ l; \/ O5 r* qTVBNOW 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= =
; U- p; v8 V$ h7 ~- p6 q+ Z3 F5.39.217.76
2 [8 G* k% R( V/ Y) g* ?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 jwxie518 於 2007-5-21 03:51 AM 編輯 ]

leezhao2000

79+18