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97啦
total lost $197
....ME A BIT STUPID 179+ITEM......CORRECT.....
97元,肯定对
亏了197+礼物
?????????

回復第 1 帖由 idontgiveashit 所發的帖子

the answer is -$97 for sure. 公仔箱論壇( s6 w! w, S  N
Think about it this way
% j% G, H# R  P. \# {& ^1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)# Y$ [* \5 D2 R3 I* V
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

回復第 1 帖由 idontgiveashit 所發的帖子

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79

79-(21-18)+100+18=197
i would say $97 (79 + 18)
97 easy
i think it's 77
0 p) q# y$ {2 v: Gtvb now,tvbnow,bttvbtvb now,tvbnow,bttvb! ?1 `6 C: {* L. x- f4 y2 y/ |1 @
[ 本帖最後由 tat_tat0210 於 2007-5-21 03:48 AM 編輯 ]
100= =公仔箱論壇7 E$ o2 }+ `' s$ b
tvb now,tvbnow,bttvb; D9 c: J% ?5 o: x  @
[ 本帖最後由 jwxie518 於 2007-5-21 03:51 AM 編輯 ]
79+18
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