e) \(\sqrt{1\frac{13}{36}}\) ;

e) \(\sqrt{1\frac{13}{36}} = \sqrt{\frac{1 \cdot 36 + 13}{36}} = \sqrt{\frac{36 + 13}{36}} = \sqrt{\frac{49}{36}} = \frac{\sqrt{49}}{\sqrt{36}} = \frac{7}{6} = 1\frac{1}{6}\)

Ответ: \(1\frac{1}{6}\)