[tex](1 \div 0.3 - 2 \times \frac{1}{3} ) - \frac{5}{6} =( 1 \times \frac{10}{3} - \frac{2}{3} ) - \frac{5}{6} = \frac{10}{3} - \frac{2}{3} - \frac{5}{6} = \frac{8}{3} - \frac{5}{6} = \frac{16}{6} - \frac{5}{6} = \frac{11}{6} = 1 \frac{5}{6} [/tex]
Myślę że pomogłem ;)
