1.Make y the subject of the formula x=a^2+1/3y
2.Expand (x+2y)^2
3.Expand(x+2y)(x-2y)
4.Simplify 3n/m^2-mn-6/2m-2n
5.Find the LCM of m^2-mn and 2m-2n
6.Factorize m^2-mn
7.Factorize 2m-2n
收錄日期: 2021-04-13 15:39:30
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https://hk.answers.yahoo.com/question/index?qid=20080605000051KK02777