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. tvb now,tvbnow,bttvb: ?: \) g% ^- Y' _( y& j
Think about it this way 8 ~. }* m0 E5 \4 C. @! I4 D
1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)
1 Q8 a2 j7 C' {8 Ztvb now,tvbnow,bttvb2) 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
/ w) _- j9 d+ B& P公仔箱論壇
9 R$ R7 S1 y; R! |) PTVBNOW 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 tat_tat0210 於 2007-5-21 03:48 AM 編輯 ]

jwxie518

100= =
, V% I& M6 K4 t) {tvb now,tvbnow,bttvb2 `$ x4 ^" v4 S5 O. W* G! Z. x: x
[ 本帖最後由 jwxie518 於 2007-5-21 03:51 AM 編輯 ]

leezhao2000

79+18