Question

resolver el problema
- 1/2 [ 2/5 + 6/7]​

Answer 1

Explicación paso a paso:

$- \frac{1}{2} (\frac{2}{5} + \frac{6}{7} )\\\\\\- \frac{1}{2} (\frac{14 + 30}{35} )$

$- \frac{1}{2} (\frac{44}{35} ) = - \frac{22}{35}$