Odpowiedź:
[tex] \frac{1}{ \sqrt{2} } = \frac{1 \sqrt{2} }{2} = \frac{1}{2} \sqrt{2} \\ \frac{3}{5 \sqrt{15} } = \frac{3 \sqrt{15} }{5 \times 15} = \frac{3 \sqrt{15} }{75} = \frac{1}{25} \sqrt{15} \\ \frac{6 - 3 \sqrt{2} }{2 \sqrt{2} } = \frac{6 - 3 \times 2}{2 \times 2} = \frac{6 - 6}{4} = 0[/tex]
