October 2018 2 15 Report

Matematyka z plusem klasa 1 gimnazjum podręcznik str 146 zad 3

Oblicz wartości liczbowe wyrażeń:

a) x^{2} -x dla x=7

c) 1+x(x+4) dla x = -11

=e) 2x^{2} -y (x+1) dla x= - 2 i y=5

f) (m+1)(n-2) dla m = 2 i n=1


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