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 -$97 for sure. tvb now,tvbnow,bttvb$ I. j- ~7 k4 T) w8 V
Think about it this way
9 H: R3 v% |( J$ d1 w' Awww1.tvboxnow.com1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)! W: b) N' Q" l1 q4 P# E6 g
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
* z: C/ t% ]: `3 s6 L4 i5 i5 CTVBNOW 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。
8 B, b0 }0 R9 N  ?tvb now,tvbnow,bttvb[ 本帖最後由 tat_tat0210 於 2007-5-21 03:48 AM 編輯 ]

jwxie518

100= =
! n4 ?2 @' o9 t( S& V" K! CTVBNOW 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。
# z6 C* J7 n: t, @- w) Z9 E公仔箱論壇[ 本帖最後由 jwxie518 於 2007-5-21 03:51 AM 編輯 ]

leezhao2000

79+18