October 2018 1 11 Report

1) Rozwiazaniem ukladu rownan {y-x-1=0 x+y-3=0 jest para a)x=1i y=2 b)x=1i y= -2 c)x=2 i y=3 d)x=3 y=2 2)Rozmieniono 20zl na monety po 20gr i 50 gr, otrzymano 70 monet.Ile monet 50 gr otrzymano??? a)30 b)25 c)20 d)10


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