September 2018 2 18 Report

wykonaj działanie : (wzory skroconego mnozenia)

a)2*[3(2a-b) do potegi 2 -(a+b)do potegi 2]-4[(2a+b do potegi 2) -4(1/2ab do potegi 2 +1 )=

b )-2/9x kwadrat+2 (1/3x -y ) (1/3x +y )-5[(x-y)2x-3x(x + 1/6y)]

proszęęęę wazne na jutro


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