September 2018 1 24 Report

matematyka z plusem do 2 kl.;) zadanie 16,17 str. 91

a to przykłady..

zad.16. Wykonaj mnożenie, zredukuj wyrazy podobne.

a) (x+7)(2x-1)

b) (2a-1)(a+4)

c) (4a-1)(2-3a)

d) (a^{5}-1)(a+1)

e) (x^{7}-x^{5})(x^{3}+x^{2})

f) (2k^{2}-1)(2k+1)

g) (3-p^{3})(p^{2}+1)

zad.17. Wykonaj mnożenie.

a)  (x+ \sqrt{5})(x-\sqrt{5})

b) (2y-\sqrt{3})(y+1)

c) (a+\sqrt{2})(a-\sqrt{3})

d) (2\sqrt{2}+k)(\sqrt{2}-k)


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