Odpowiedź:
(1, 6) ^2-(0, 6) ^2= 2,56 - 0,36 = 2,2
[tex](1,6)^2-(0,6)^2=(\frac{16}{10})^2-(\frac{6}{10})^2=(\frac{8}{5})^2-(\frac{3}{5})^2=\frac{64}{25}-\frac{9}{25}=\frac{55}{25}=\frac{11}{5}=2\frac{1}{5}[/tex]