January 2019 1 9 Report
Liczba - \sqrt{2} jest rozwiązaniem równania

A.  x^{2} + 2 = 0
B. x ( x + \sqrt{2} ) = 0
C. (x+2) (x-2) = 0
D. 0,5(x- \sqrt{2} ) (x+2)=0

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