October 2018 2 20 Report

1.Jakimi jednomianami nalezy zastapic symbole ?

-x²+__-2x+__-3=x²-x

2.Wykonaj dzialanie

-(-y+2)+(-2y-4)

3.Zapisz w jak naprostszej postaci

- (kx + ny) - (3kx + 2ny) + (5kx - 3ny)

Wszystko sprawdzam .Piszcie wszystkie dzialania . Daje naj ^_^


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