Cześć ;)
[tex]\sqrt{40}=\sqrt{4\cdot10}=\sqrt{2^2\cdot10}=\boxed2\sqrt{10}\\\\\sqrt{200}=\sqrt{100\cdot2}=\sqrt{10^2\cdot2}=\boxed{10}\sqrt2\\\\\sqrt{32} \ masz \ dobrze \ ;)\\\\\sqrt{50}=\sqrt{25\cdot2}=\sqrt{5^2\cdot2}=5\sqrt{\boxed2}[/tex]
