October 2018 1 75 Report

Oblicz wartości liczbowe wyrażeń:

a) 3(x2 - 2x + 3) - 2(x2- 5x - 1) dla x=2

(skośnym,pogrobionym drukiem - potęgi)

b) a(2ab + b) - b(a - 2ab + a2) dla a= 0,1 i b = -10


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