Question

Calculati : ( exercitiile din imagine va rogg) ​

Answer 1

Răspuns:

6

a)

$\frac{13}{4} + 2 \sqrt{6}$

b)$\frac{111}{10}$

7

a)

$\frac{10}{3} + \frac{ \sqrt{10} }{5}$

b)

$- \frac{2}{3}$

c)

$\frac{19 \sqrt{7} }{14}$

d)

$- \frac{9 \sqrt{6} }{7} + \frac{12 \sqrt{15} }{35}$