Question

Exercitiul 6. a,b,c,d,e,f,g,h,i,j.

Answer 1

$a)\sqrt{2 \dfrac{7}{9}} = \sqrt{ \dfrac{25}{9} } = \dfrac{5}{3}; \\ \\ b) \ \sqrt{5 \dfrac{19}{25}} = \sqrt{ \dfrac{144}{25}} = \dfrac{12}{5}; \\ \\ c) \sqrt{1 \dfrac{32}{49}} = \sqrt{ \dfrac{81}{49}} = \dfrac{9}{7}; \\ \\ d) \sqrt{11 \dfrac{1}{9}} = \sqrt{ \dfrac{100}{9}} = \dfrac{10}{3}; \\ \\ e) \sqrt{7 \dfrac{9}{16}} = \sqrt{ \dfrac{121}{16}} = \ \dfrac{11}{4}; \\ \\ i) \sqrt{4 \dfrac{25}{36}} = \sqrt{ \dfrac{169}{36}} = \dfrac{13}{6}; \\ \\ g) \sqrt{4 \dfrac{33}{64}} = \sqrt{ \dfrac{289}{64}} = \dfrac{17}{8}; \\ \\ h) \sqrt{20 \dfrac{1}{4}} = \sqrt{ \dfrac{81}{4}} = \dfrac{9}{2}; \\ \\ i) \sqrt{7 \dfrac{21}{25}} = \sqrt{ \dfrac{196}{25}} = \dfrac{14}{5}; \\ \\ j) \sqrt{6 \dfrac{30}{49}} = \sqrt{ \dfrac{324}{49}} = \dfrac{18}{7}.$