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.
/ h! A1 z' _) F; ^' x& FThink about it this way
* K, f! S4 \, f6 Q. H  S3 j1 A5.39.217.761) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)
; w5 U! q  G# a8 Q/ `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。8 u7 F3 u& J$ Y& G  ]* M7 E

0 k( {9 j( V% @4 X. {( K[ 本帖最後由 tat_tat0210 於 2007-5-21 03:48 AM 編輯 ]

jwxie518

100= =+ V6 j/ @/ P0 x+ J! ]0 H$ U/ k. |* D
5.39.217.768 t( Y4 u0 ^" i! b4 r$ q0 m; t7 S9 k
[ 本帖最後由 jwxie518 於 2007-5-21 03:51 AM 編輯 ]

leezhao2000

79+18