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.
, D1 W0 M2 i" b! n  h1 g5 sThink about it this way # a# E( U- v' k! E. P" g
1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)
9 h0 W2 C/ o* z9 Q, D% K2) 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- ]) s: t0 `: G9 w7 Z. e) c' |
公仔箱論壇- S) i9 Y+ Y8 [* e$ B- L
[ 本帖最後由 tat_tat0210 於 2007-5-21 03:48 AM 編輯 ]

jwxie518

100= =
1 v$ o& `9 s' C  W% w! i9 i2 twww2.tvboxnow.com9 w3 ?: M+ l) m# w4 h& t
[ 本帖最後由 jwxie518 於 2007-5-21 03:51 AM 編輯 ]

leezhao2000

79+18