[tex][(0,(6)-0,5) \times 18-0,75]:3,6= [/tex]
[tex][( \frac{6}{9} - \frac{5}{10} ) \times 18- \frac{75}{100} ]: \frac{36}{10} = [/tex]
[tex][( \frac{2}{3} - \frac{1}{2} ) \times 18- \frac{3}{4} ]: \frac{18}{5} = [/tex]
[tex][( \frac{4}{6} - \frac{3}{6} ) \times 18- \frac{3}{4} ]: \frac{18}{5} = [/tex]
[tex]( \frac{1}{6} \times 18- \frac{3}{4} ): \frac{18}{5} = [/tex]
[tex]( 3- \frac{3}{4} ): \frac{18}{5} = [/tex]
[tex]( \frac{12}{4} - \frac{3}{4} ): \frac{18}{5} =[/tex]
[tex]\frac{9}{4} : \frac{18}{5} =[/tex]
[tex]\frac{9}{4} \times \frac{5}{18} = [/tex]
[tex] \frac{1}{4} \times \frac{5}{2} = [/tex]
[tex] = \frac{5}{8} [/tex]
