Question

ПОМОГИТЕ ДАЮ 20 БАЛОВ!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Answer 1

Ответ:

Пошаговое объяснение:

$\frac{11}{9} +\frac{10}{9} =\frac{21}{9} =2\frac{3}{9}=2\frac{1}{3}$

$\frac{23}{35}- \frac{18}{35} =\frac{5}{35} =\frac{1}{7}$

$5\frac{3}{6} -2\frac{5}{6} =2\frac{4}{6} =2\frac{2}{3}$

$10\frac{9}{8} +1\frac{6}{8} =11\frac{15}{8}=12\frac{7}{8}$