Question

Поможет кто? Проверить надо

Answer 1

$(4 frac{2}{5} - 6,3) * 4 frac{3}{19} = ( frac{22}{5} - frac{63}{10}) * frac{79}{19} = ( frac{44-63}{10}) * frac{79}{19} = frac{19}{10}* frac{79}{19} = frac{19*79}{10*19} = frac{79}{10}$