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.
4 r2 o& R5 E6 w5 e7 }6 z+ Y# q5.39.217.76Think about it this way $ P0 y* P7 a, T! V9 k/ W
1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)
' D1 |/ K. {! m' A' D2 I; @& P7 L2) 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 77tvb now,tvbnow,bttvb! r' R, Z0 o- r3 K5 m
' u6 J2 l3 S: M' V6 L- u3 Y. g
[ 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。/ {- W/ k5 ~# Z9 A
$ L( b; J( u, B! s
[ 本帖最後由 jwxie518 於 2007-5-21 03:51 AM 編輯 ]

leezhao2000

79+18