Question

8-4,2:(2 5/14-1 4/21) столбики

Answer 1

$8-4,2: ( frac{33}{14}- frac{25}{21} )=8+ frac{21}{5}+ frac{7}{6} =8+ frac{21}{5} * frac{6}{7} =8+ frac{3}{5} *6=8+ frac{18}{5} = frac{58}{5}$