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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.
/ D2 q2 [. E7 X0 Z+ X+ ]Think about it this way tvb now,tvbnow,bttvb& s/ B" L( I! v- f: B. `2 i
1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)公仔箱論壇. y4 Q% o; ?7 ~, h
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
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[ 本帖最後由 tat_tat0210 於 2007-5-21 03:48 AM 編輯 ]
100= =8 f* s; |* j4 n; w
公仔箱論壇1 v7 m4 j5 {. E3 |" T3 D
[ 本帖最後由 jwxie518 於 2007-5-21 03:51 AM 編輯 ]
79+18
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