Răspuns :
[tex]\sqrt{13,69}=\sqrt{\frac{1369}{100}}=\frac{\sqrt{1369}}{\sqrt{100}}=\frac{\sqrt{37^2}}{\sqrt{10^2}}=\frac{37}{10}=3,7[/tex]
√13,69=√1001369=√100√1369=√102√372=1037=3,7