Решите под действиями 1) 2 1/12+( 1 1/12): 1 2/5-3/10* 1 1/5 2) 3 7/19*(5/12+3/8): 1 1/3- 1 3/8*(1 1/5- 1/4) плиз

[latex]2 \frac{1}{12} + (1 \frac{3}{8} - 1\frac{1}{12}) : 1 \frac{2}{5} - \frac{3}{10} * 1 \frac{1}{5}[/latex] [latex]1) 1 \frac{3}{8} - 1\frac{1}{12} = \frac{3}{8} - \frac{1}{12} = \frac{9}{24} - \frac{2}{24} = \frac{7}{24} [/latex] [latex]2) \frac{7}{24} / 1 \frac{2}{5} = \frac{7}{24} / \frac{7}{5} = \frac{7}{24} * \frac{5}{7} = \frac{5}{24} [/latex] [latex]3) \frac{3}{10} * 1 \frac{1}{5} = \frac{3}{10} * \frac{6}{5} = \frac{9}{25} [/latex] [latex]4) 2 \frac{1}{12} + \frac{5}{24} = 2 \frac{2}{24} + \frac{5}{24} = 2 \frac{7}{24}[/latex] [latex]5) 2 \frac{7}{24} + \frac{9}{25} = 2 \frac{175}{600} + \frac{216}{600} = 2 \frac{391}{600}[/latex]