
謝原帖由 hhjj22 於 2012-9-20 18:54 發表
1. (+2)(-3) - (-7)(+4)
=(-6) - (-28)
=-6+28
=22
2. (+16) + (-2) / (-2) / (-3)
=(+16) + (+1) / (-3)
=(+16) + (-1/3)
=15又2/3
3.(-15) / [4(-2) - (-5)]
=(-15) / [(-8) - (-5)] ...
今日我都唔知做咩膠成咁=,=


原帖由 ☆1.29 於 2012-9-20 19:00 發表
sorry................我唔知做咩咁膠.......
今朝係學校做都全部明晒=,=(而家都記番晒)
btw........thz![]()
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做左智仔sosad![]()
:lol :lol

原帖由 筆知所謂 於 2012-9-20 19:20 發表
好容易 舉個例子
-10+4=?
你欠人10蚊 ,好啦你還左人地4蚊 ,但係仲欠人6元
姐係-6
-10-4=?
你欠人10蚊,再欠多4蚊
姐係14蚊,-14![]()
死人win
抽我水=,=
我呀哥都要番學......BTW.........我真係識架本來 , 今朝係SCHOOL做咩問題都冇




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