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 -$97 for sure.
7 i) v! k6 b/ D3 ?5 F/ PThink about it this way 1 O$ z6 W& m- M5 T4 s# Y
1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)
' V: V: G3 E( A4 F公仔箱論壇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* }& d" a( w3 h* b

' G8 @+ U; Y$ D) d[ 本帖最後由 tat_tat0210 於 2007-5-21 03:48 AM 編輯 ]

jwxie518

100= =
$ j7 _" [2 Z3 c5 h3 vwww3.tvboxnow.com9 A- D1 f1 T7 q* V; E0 m) x  t
[ 本帖最後由 jwxie518 於 2007-5-21 03:51 AM 編輯 ]

leezhao2000

79+18