Ответ:

[tex]\sqrt{12} = \sqrt{12}[/tex]

Объяснение:
[tex]6\sqrt{\frac{1}{3} }= \sqrt{36*\frac{1}{3}} =\sqrt{ \frac{36}{1}*\frac{1}{3}}=\sqrt{ \frac{12}{1}}=\sqrt{12}[/tex]

[tex]\frac{1}{4}\sqrt{192}=\sqrt{{\frac{1}{16} }*192}= \sqrt{{\frac{1}{16} }*\frac{192}{1} } =\sqrt{12}[/tex]