[tex][ 2 \frac{5}{9} - 2.(3) ]\times ( \frac{11}{32} \div \frac{22}{20} - \frac{3}{48} ) - {[ {( - \frac{1}{2}) }^{2} + { (- \frac{1}{2}) }^{3} + {( - \frac{1}{2} )}^{4} ]}^{0} = [/tex]
[tex]( \frac{2 \times 9 + 5}{9} - 2 \frac{3}{9} )\times ( \frac{11}{32} \times \frac{ 20 }{22} - \frac{1}{16} ) - 1 = [/tex]
[tex]( \frac{18 + 5}{9} - \frac{2 \times 9 + 3}{9} )\times ( \frac{1}{8} \times \frac{ 5 }{2} - \frac{1}{16} ) - 1 = [/tex]
[tex]( \frac{23}{9} - \frac{21}{9} )\times ( \frac{5}{16} - \frac{1}{16} ) - 1 = [/tex]
[tex] \frac{2}{9} \times \frac{4}{16} - 1 = \\ \frac{1}{9} \times \frac{1}{2} - 1 = \\ \frac{1}{18} - 1 = \\ \frac{1}{18} - \frac{18}{18} = - \frac{17}{18} [/tex]
