Question

Выполните сложение.
Даю 10 баллов! ​

Answer 1

$- 1 \frac{3}{7} + ( - 3 \frac{4}{7}) = - \frac{10}{7} + ( - \frac{25}{7} ) = - \frac{35}{7}$

$- 7 \frac{1}{6} + ( - 2 \frac{5}{6}) = - \frac{43}{6} + ( - \frac{17}{6} ) = - \frac{60}{6} = - 10$

$- 4 \frac{3}{14} + ( - 1 \frac{2}{7}) = - \frac{59}{14} + ( - \frac{9}{7} ) = - \frac{77}{14}$