Question

va rog urgeent! dau coroane!!

Answer 1

$( \frac{1}{2} + \frac{7}{2} ) \div 2 = \frac{8}{2} \div 2 = 2$
$2 + \frac{1}{3} = \frac{6 + 1}{3} = \frac{7}{3}$
$( \frac{7}{3} )^{2} = \frac{49}{9}$
$\frac{49}{9} \div (1 - \frac{2}{9} ) = \frac{49}{9} \div \frac{7}{9} = 7$