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.
! i2 g( h) J/ [7 V* v) ?' g# R1 sThink about it this way
; [; @% s; i, Q* K! O4 k2 K1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)9 w+ x% j0 Z) Y6 b. N
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 77TVBNOW 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。9 j' v" C, @: F$ T! }# G1 a

; `" |7 M% y/ Q  u/ _; l" Xtvb now,tvbnow,bttvb[ 本帖最後由 tat_tat0210 於 2007-5-21 03:48 AM 編輯 ]

jwxie518

100= =
8 @# J0 o3 _# {3 \公仔箱論壇
. G4 y2 z9 o6 F" c9 C: \[ 本帖最後由 jwxie518 於 2007-5-21 03:51 AM 編輯 ]

leezhao2000

79+18