利用撤去括號的方法
1. (9-7)-(+10)
=?
2. (-4)-(+1)
=?
P.S 第二條5洗利用撤去括號的方法
更新1:
5好意思 條題目5係1. (9-7)-(+10)=? 係(-7)-(+10)=?
點做!?數學<中一既數>
回答 (6)
2008-09-28 12:13 am
✔ 最佳答案
1.)(-7)-(+10)
=(-7)-10
=-17
2.)
(-4)-(+1)
=(-4)-1
=-5
Do you know>??
2008-09-27 16:13:52 補充：
001&002, Q1 is asking (-7)-(+10)
2008-09-28 1:23 am
1. (-7)-(+10)
=10-7
=3
2. (-4)-(+1)
=4-1
=3
2008-09-27 17:25:40 補充：
打錯= =
1. (-7)-(+10)
=-7-10
=-17
2. (-4)-(+1)
=-4+1
=-3
2008-09-27 17:27:04 補充：
又打錯><
2.(-4)-(+1)
=-4+1
=-5
=10-7
=3
2. (-4)-(+1)
=4-1
=3
2008-09-27 17:25:40 補充：
打錯= =
1. (-7)-(+10)
=-7-10
=-17
2. (-4)-(+1)
=-4+1
=-3
2008-09-27 17:27:04 補充：
又打錯><
2.(-4)-(+1)
=-4+1
=-5
參考: ME
2008-09-28 12:35 am
1. (-7)-(+10)
=-7-10
=-17
2. (-4)-(+1)
=-4+1
=-3
2008-09-27 16:35:36 補充：
2. (-4)-(+1)
=-4+1
=-5
2008-09-27 16:35:53 補充：
2. (-4)-(+1)
=-4-1
=-5
=-7-10
=-17
2. (-4)-(+1)
=-4+1
=-3
2008-09-27 16:35:36 補充：
2. (-4)-(+1)
=-4+1
=-5
2008-09-27 16:35:53 補充：
2. (-4)-(+1)
=-4-1
=-5
參考: ME....
2008-09-28 12:30 am
1. (-7)-(+10)
= (-7)-10
= -17
2. (-4)-(+1)
= (-4)-1
= -5
= (-7)-10
= -17
2. (-4)-(+1)
= (-4)-1
= -5
2008-09-27 11:50 pm
1. (9-7)-(+10)
=9-7-10
=2-10
=(-8)
2. (-4)-(+1)
=(-3)
=9-7-10
=2-10
=(-8)
2. (-4)-(+1)
=(-3)
收錄日期: 2021-04-26 12:01:34
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20080927000051KK01458