[tex]26 \frac{2}{3} \div6 \frac{4}{10} = \frac{80}{3} \div \frac{32}{5} = \frac{80}{3} \times \frac{5}{32} = \frac{400}{96} = \frac{25}{6} [/tex]

[tex]19 \frac{2}{10} \div3 \frac{5}{9} = \frac{96}{5} \div \frac{32}{9} = \frac{96}{5} \times \frac{9}{32} = \frac{27}{5} [/tex]

[tex] \frac{25}{6} \times \frac{27}{5} = \frac{135}{6} [/tex]

[tex]8 \frac{4}{7} \div2 \frac{26}{77} = \frac{60}{7} \div \frac{180}{77} = \frac{60}{7} \times \frac{77}{180} = \frac{11}{3} [/tex]

[tex] \frac{1}{2} \div 18 \frac{2}{3} = \frac{1}{2} \div \frac{56}{ 3} = \frac{1}{2} \times \frac{3}{56} = \frac{3}{112} \times \frac{11}{1} = \frac{33}{112} [/tex]

[tex] \frac{11}{3} \div \frac{33}{112} = \frac{11}{3} \times \frac{112}{33} = \frac{112}{9} [/tex]

[tex] \frac{112}{9} - \frac{1}{18} = \frac{224 - 1}{18} = \frac{223}{18} [/tex]

[tex] \frac{135}{6} - \frac{223}{18} = \frac{405 - 223}{18} = \frac{182}{18} = 10 \frac{1}{9} [/tex]

Ответ:

182/18 или 10 1/9

Извини если неправильно выйдет.

♡