Odpowiedź :
Hej!
[tex] \frac{2}{ \sqrt{2} } = \frac{2 }{ \sqrt{2} } \times \frac{ \sqrt{2} }{ \sqrt{2} } = \frac{2 \sqrt{2} }{ \sqrt{ {2}^{2} } } = \frac{2 \sqrt{2} }{2} = \sqrt{2} [/tex]
Pozdrawiam! - Julka
[tex]\frac{2}{\sqrt{2} } \cdot\frac{\sqrt{2} }{\sqrt{2} } =\frac{\not2\sqrt{2} }{\not2} =\sqrt{2}[/tex]