April 2019 0 11 Report
Za pomocą wzorów skróconego mnożenia oblicz:
a) (2/3a - 1/3b)^2=
b) (1/4x - 1/3y) (1/4x + 1/3y)=
c) (2/7a ^2 - 1/4b^2)^2=
d) (2/5x^2 - 2) (2/5x^2 +2) =
Z GÓRY DZIĘKUJE DAJE NAJ <3
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