3ｘ3n－３ｎｘ３
－－－－－－－－－－
６ｎ
請問個step係咩?
answer係3分之4(four over three)
中三上學期MATHS問題一題(請連step)
2009-09-05 6:07 am
回答 (5)
2009-09-07 5:11 am
✔ 最佳答案
因為先乘除後加減,所以
3x3n=3n+3n+3n=9n
3nx3=3x3n=3n+3n+3n=9n
(3x3n-3nx3)/6n
=(9n-9n)/6n
=0/6n
=0
參考: me
2009-09-06 1:26 am
[3(3n)-3n(3)]/6n
=(9n-9n)/6n
=0/6n
=0
=(9n-9n)/6n
=0/6n
=0
2009-09-05 7:05 am
你應該打錯題目( - -" )
2009-09-05 6:20 am
有冇打錯?!
收錄日期: 2021-04-15 21:43:54
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20090904000051KK01692