Odpowiedź :
[tex]a)~5\sqrt{5}=\sqrt{5*25} =\sqrt{125} \\b)~7\sqrt{3} =\sqrt{3*49} =\sqrt{147} \\c)~9\sqrt{2} =\sqrt{2*81}=\sqrt{162} \\d)~13\sqrt{2} =\sqrt{2*169} =\sqrt{338} \\e)~\frac{1}{3} \sqrt{27}=\sqrt{\frac{1}{9}*27 } =\sqrt{3}[/tex]
Pozdrawiam.
a)√25*5=√125
b)√49*3=√147
c)√81*2=√162
d)√169*2=√338
e)√1/9*27=√3