Question

Надо срочно, (ж , з , и)
Даю 20 балов

Answer 1

$10frac{3}{23} - 7 frac{19}{46} = frac{233}{23} - frac{341}{46} = frac{466-341}{46} = frac{125}{46} = 2 frac{33}{46}$
$16 frac{2}{5} - 4 frac{3}{7} = frac{82}{5} - frac{31}{7} = frac{574-155}{35} = frac{419}{35} = 11 frac{34}{35}$
$19frac{5}{12} - 8 frac{17}{18} = frac{233}{12} - frac{161}{18} = frac{699-322}{36} = frac{377}{36} =10 frac{17}{36}$