(x+1)-(x-1)=............
Detail explaination pls..........
(x+1)-(x-1)=....... How to solve it
2007-02-20 7:53 am
回答 (4)
2007-02-20 7:55 am
✔ 最佳答案
(x+1)-(x-1)=x+1-x+1
=2
2007-02-20 8:02 am
(x+1)-(x-1)
=x+1-x+1
=2
要小心d後面既係x+1，唔好因為一唔小心，有好多人會唔記得要負負得正!
要多加留意，避免出錯~
=x+1-x+1
=2
要小心d後面既係x+1，唔好因為一唔小心，有好多人會唔記得要負負得正!
要多加留意，避免出錯~
參考: 自己
2007-02-20 7:57 am
(x+1)-(x-1)
=x+1-x+1
= 2
=x+1-x+1
= 2
收錄日期: 2021-04-13 16:34:32
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070219000051KK03735