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.
. v/ T5 I2 t+ jTVBNOW 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。Think about it this way 2 L. s. ?8 [( {/ l
1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18). J" I' }) Z/ }& L
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 776 g- G& L9 f# X2 a9 R- L
2 g, J- {8 p4 W9 K% _( K
[ 本帖最後由 tat_tat0210 於 2007-5-21 03:48 AM 編輯 ]

jwxie518

100= =3 [- N6 Y# [  h) L( i$ ~) f

& `8 H- d) R' t8 m8 ]! w9 o+ m8 T9 Mtvb now,tvbnow,bttvb[ 本帖最後由 jwxie518 於 2007-5-21 03:51 AM 編輯 ]

leezhao2000

79+18