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. * K1 u. @5 c; n& n/ ^
Think about it this way
) p& D' R( N9 R- N' a公仔箱論壇1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)公仔箱論壇& e: D5 a2 F# S1 e
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
; h, W0 R, R! G0 L+ {9 t$ j1 M( W公仔箱論壇
$ F* K9 [1 S0 o( {9 h5 B& m5.39.217.77[ 本帖最後由 tat_tat0210 於 2007-5-21 03:48 AM 編輯 ]

jwxie518

100= =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。; b4 w# N; W* s2 e" p  p) N' R
tvb now,tvbnow,bttvb( m8 Y. Q5 R! l! o2 z
[ 本帖最後由 jwxie518 於 2007-5-21 03:51 AM 編輯 ]

leezhao2000

79+18