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 -$97 for sure. + C) t2 N1 L4 G/ w' @# @
Think about it this way 5.39.217.77$ I( h# r# U  m3 p
1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)
9 v# i) x- O" V$ Z2) 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
/ G6 l9 x" t7 Mtvb now,tvbnow,bttvbTVBNOW 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。" c5 |$ s" N* V' \( R% C4 m- J& V
[ 本帖最後由 tat_tat0210 於 2007-5-21 03:48 AM 編輯 ]

jwxie518

100= =
2 d8 x6 e; ~' Y, X4 V/ ntvb now,tvbnow,bttvb公仔箱論壇& @2 r6 n! U' R$ K
[ 本帖最後由 jwxie518 於 2007-5-21 03:51 AM 編輯 ]

leezhao2000

79+18