pomuszcie mi chodzi o działania z dwuch zdjęć

[tex]g) \ 5\cdot\frac{7}{10} = \frac{7}{2} = 3\frac{1}{2}\\\\h) \ \frac{2}{7}\cdot14 = 2\cdot2 = 4\\\\i) \ \frac{2}{18}\cdot12 = \frac{1}{9}\cdot12} = \frac{12}{9} = \frac{4}{3} = 1\frac{1}{3}\\\\j) \ 4\cdot5\frac{5}{12} =4\cdot\frac{65}{12} = \frac{65}{3} = 21\frac{2}{3}\\\\k) \ 6\frac{2}{8}\cdot6 = \frac{50}{8}\cdot6 = \frac{25}{2}\cdot3 = \frac{75}{2} = 37\frac{1}{2}\\\\l) \ 3\cdot5\frac{5}{6} = 3\cdot\frac{35}{6} = \frac{35}{2} = 17\frac{1}{2}[/tex]