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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. % d  g5 n* L' y# [5 P
Think about it this way
+ n( S' G9 \- \6 _! j  ^7 d1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)
2 v2 t( f; w6 y. |$ h- C' ^5.39.217.772) 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
$ Y& a( P2 H6 s* d6 E2 E公仔箱論壇
6 \/ D, z# P8 `  {2 rTVBNOW 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。[ 本帖最後由 tat_tat0210 於 2007-5-21 03:48 AM 編輯 ]
100= =
+ s6 V' G' A" x7 }- v公仔箱論壇
- ?2 Y, q: a  R, R/ x2 v5.39.217.77[ 本帖最後由 jwxie518 於 2007-5-21 03:51 AM 編輯 ]
79+18
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