September 2018 1 67 Report

połącz w pary równe wyrażenia.

1.3x^2

2.-4,5x-1,5y

2 1/2x - 2 1/2 x^2

3.9x+4,5y

4.1/5x+4/5y

I.-1,5(3x+y)

II. 4,5(2x+y)

III.3(x^2+2)

IV. 0,2(x-4y)

V.2 1/2x(1-x)


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