[tex] \sqrt{49} = 7 \\ 2.5 = \frac{25}{10} \\ \sqrt{ \frac{2}{9} } = \frac{ \sqrt{2} }{3} \\ \sqrt{2 \times \frac{1}{4} } = \sqrt{ \frac{9}{4} } = \frac{3}{2} \\ 0.(6) = \frac{6}{9} = \frac{2}{3} \\ - \sqrt{24} = - 2 \sqrt{6} [/tex]
deci
a) x = {V49}
b) x = {V49 ; -1}
c) x = {V49 ; 2,5 ; - 8/5 ; V(2 si 1/4) ; - 1 ; 0,(6)}
d) x = {V49 ; 2,5 ; V(2/9) ; - 8/5 ; V(2 si 1/4) ; - 1 ; 0,(6) ; -V24}
