А) |-8 1/3|:|5/19 б) |3 1/7|-|-1 9/14|

a) [latex]|-8 \frac{1}{3} |: | \frac{5}{19} |[/latex] = [latex] \frac{25}{3} * \frac{19}{5} = \frac{5*19}{3}= \frac{95}{3} =31 \frac{2}{3} [/latex] б) [latex]|3 \frac{1}{7}| - |- 1 \frac{9}{14} |= \frac{22}{7} - \frac{23}{14} = \frac{44-23}{14} = \frac{21}{14} = 1\frac{1}{2} [/latex]