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.
8 P# s  p4 W# ^1 z5.39.217.76Think about it this way
# X* f3 P" H  W( A. r8 s1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)
* G7 S+ m/ V: f  ]# j5.39.217.762) 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
; U4 X2 h/ j$ j1 p, e9 V0 U, g0 L
/ o7 w7 N' l( a9 O9 G( b[ 本帖最後由 tat_tat0210 於 2007-5-21 03:48 AM 編輯 ]

jwxie518

100= =
: y# T" h+ c+ J- j2 ?* h. g, e( O. aTVBNOW 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。
; J. C! ]; P+ M& W3 Y6 l公仔箱論壇[ 本帖最後由 jwxie518 於 2007-5-21 03:51 AM 編輯 ]

leezhao2000

79+18