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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 -$97 for sure.
# ~8 b& ^  K" a- r) |Think about it this way 4 M% `$ c8 m$ \
1) if the 100 bucks is not a fake one, the store owner will gain $3 ($21-$18)www2.tvboxnow.com+ c, w; N! N2 j( U3 _2 X. I
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 777 M9 c" [3 C7 l2 |

5 K7 L, N: r- [- l[ 本帖最後由 tat_tat0210 於 2007-5-21 03:48 AM 編輯 ]
100= =www2.tvboxnow.com1 j/ E+ _) H# ~1 L

2 Q! ?$ k( u2 c4 V) H5 T[ 本帖最後由 jwxie518 於 2007-5-21 03:51 AM 編輯 ]
79+18
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