October 2018 1 25 Report

Oblicz :

a) 2a+3-a+6+7a dla a= -2

b) 2z+t-3z+4t-1 dla z= 5 i t= 0,1

c) 13x -2y+7-9x+y-4+x-3 dla x=0,2 , y=-1

d) n do kwadratu+n-7+3n do kwadratu-n-9-n+16 dla n= jedna/druga

Proszę o dokładne wyjaśnienie jak to się robi .. :(


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