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. 公仔箱論壇2 V' P9 ?; X6 u' U& f
Think about it this way
0 l! W, j) h/ K5 K1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)
* p( `/ O8 \& y$ H+ I5 T2) 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
3 s6 s9 `  S4 O% j
& g8 s$ ]* e( p+ O) M[ 本帖最後由 tat_tat0210 於 2007-5-21 03:48 AM 編輯 ]

jwxie518

100= =
: {2 b, {+ `- E0 b* x5 V3 x0 dwww2.tvboxnow.com
* \, O5 S+ Y0 ~! e& Q' N% |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