September 2018 2 36 Report

Zapisz w postaci sumy algebraicznej

a) (2a+b) * c - (2ac -bc +1)

b) 5(x-z)+2(z-x)

c) 2x²(x-5)-3x(x²-3x+5)

d) 6(a²+b+1/3)-6(a²-1/2)-3(b+1/3)

Daje naj.


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