[tex]( \frac{1}{2} + \frac{7}{2} ) \div 2 = \frac{8}{2} \div 2 = 2[/tex]
[tex]2 + \frac{1}{3} = \frac{6 + 1}{3} = \frac{7}{3} [/tex]
[tex]( \frac{7}{3} )^{2} = \frac{49}{9} [/tex]
[tex] \frac{49}{9} \div (1 - \frac{2}{9} ) = \frac{49}{9} \div \frac{7}{9} = 7[/tex]
