math!

1.)61616-61616-61612
= -61612
2.)99999-99999-99999
= -99999
3.)666444-666444-666 555
= -666 555
圖片參考：http://hk.yimg.com/i/icon/16/3.gif

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我是黃匯烺

圖片參考：http://hk.yimg.com/i/icon/16/1.gif

1.)61616-61616-61612
=(61616-61616)-61612
=-61612
2.)99999-99999-99999
=(99999-99999)-99999
=-99999
3.)666444-666444-666555
=(666444-666444)-666555
=-666555

ans:1) -61612
2) -99999
3) -666555

我自己用手計架>

1. -61612
2. -99999
3. -666555

It is very easy questions. Let me answer you.
1) -61612
2) -99999
3) -666555
揀我做最佳解答啦


2007-12-27 13:20:19 補充：
我答得最快，揀我啦

2007-12-29 14:27:45 補充：
我第一個答都唔揀，分明係偏心啦