Question

выполни вычисления:4-1 7/9=? 4 1/3-1 1/2=?

Answer 1

$4-1 \frac{7}{9} =3 \frac{9}{9} -1 \frac{7}{9} = 2 \frac{2}{9} \\ 4 \frac{1}{3} -1 \frac{1}{2} =4 \frac{2}{6} -1 \frac{3}{6} =3 \frac{8}{6} -1 \frac{3}{6} =2 \frac{5}{6}$