June 2022 1 9 Report
Sumy algebraiczne.


Oblicz za pomocą wzorów skróconego mnożenia:

(a + b)² = a² + 2ab + b²

(a - b)² = a² - 2ab + b²

(a + b) (a - b) = a² - b²



Działania:


[tex]a) \ (\sqrt{10} - \sqrt{11})^2 =[/tex]

[tex]b) \ (\frac{1}{4} x + 12)^2 =[/tex]

[tex]c) \ (\frac{1}{2} x - 10)^2 =[/tex]

[tex]d) \ (10 + \sqrt{2}) (\sqrt{2} - 10) =[/tex]

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