Question

(3\4+1\5)*5\19.И решение с ответом)

Answer 1

$( \frac{3}{4} + \frac{1}{5} )* \frac{5}{19} =( \frac{15}{20} + \frac{4}{20} )* \frac{5}{19} = \frac{15+4}{20} * \frac{5}{19} = \frac{19}{20}* \frac{5}{19} = \frac{5}{20} = \frac{1}{4} =0,25$

Answer 2

$( \frac{3}{4}+ \frac{1}{5})* \frac{5}{19}= \frac{1}{4} \\ \\ 1)\frac{3}{4}+ \frac{1}{5}= \frac{15+4}{20}= \frac{19}{20} \\ \\ 2) \frac{19}{20}* \frac{5}{19}= \frac{1}{4}$