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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 -$97 for sure. 2 R2 K: R+ @; D0 D1 k$ t
Think about it this way
& s- C+ l3 \5 n, ~, ~2 i7 @3 R公仔箱論壇1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)2 w7 ?' O9 q9 |5 f  u. A# z
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
; k0 @- U( I4 p
! s) X! ^8 W/ ~, ~[ 本帖最後由 tat_tat0210 於 2007-5-21 03:48 AM 編輯 ]
100= =公仔箱論壇, x" Y  D! H( K+ K" Y0 @
TVBNOW 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。) z( Y* X  L: O4 y
[ 本帖最後由 jwxie518 於 2007-5-21 03:51 AM 編輯 ]
79+18
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