[tex]( 1\dfrac{1}{7} - \dfrac{23}{49}) \div \dfrac{22}{147} - (0.6 \div 3 \dfrac{3}{4} ) \times 2 \dfrac{1}{2} = \\ \\ \\ ( \dfrac{8}{7} ^{ \times 7} - \dfrac{23}{49} ) \times \dfrac{147}{22} - ( \dfrac{6}{10} \div \dfrac{15}{4} ) \times \dfrac{5}{2} = \\ \\ \\ ( \dfrac{56}{49} - \dfrac{23}{49} ) \times \dfrac{147}{22} - ( \dfrac{6}{10} \times \dfrac{4}{15} ) \times \dfrac{5}{2} = \\ \\ \\ \dfrac{33}{49} \times \dfrac{147}{22} - \dfrac{4}{25} \times \dfrac{5}{2} = \\ \\ \\ \dfrac{63}{14}^{ \div 7} - \dfrac{2}{5} = \\ \\ \\ \dfrac{9}{2} ^{ \times 5} - \dfrac{2}{5}^{ \times 2} = \\ \\ \\ \dfrac{45}{10} - \dfrac{4}{10} = \dfrac{41}{10} [/tex]
