Question

(3/4+1/5)×5/19 вычислете

Answer 1

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

Answer 2

а второе можно?