Thursday 7 March 2013

ICT Activity (Chelsea, Xue Qin& Bryan)

 


3a.
2n = 2 x n
2 + n = (2 + n)     
3b.
2n = 2 x n
n^2 = n^2
3c.
2n + 2 = (2n +2)
2(n + 2) = 2n + 4


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