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 -$97 for sure.
6 n, r9 w' d, w* r% J( c4 WThink about it this way
1 Y3 M  M$ s3 r" K5 c2 V5.39.217.771) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)
" g) v* Z+ P5 W2) 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& X9 A' o8 N0 x
1 V8 r) q$ `  `9 u/ ]
[ 本帖最後由 tat_tat0210 於 2007-5-21 03:48 AM 編輯 ]

jwxie518

100= =5.39.217.77: K6 W! T; E& g. o( a& b4 u
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[ 本帖最後由 jwxie518 於 2007-5-21 03:51 AM 編輯 ]

leezhao2000

79+18