Question

Ma puteti ajuta va rog? Doar cele incercuite​

Answer 1

$e) \frac{1}{21} - 1 \times \frac{4}{7} - \frac{2}{ - 3}$
$\frac{1}{21} - \frac{11}{7} - \frac{2}{ - 3}$
$= - \frac{6}{7}$
$c) - \frac{5}{6} - ( \frac{1}{2} - \frac{1}{3} )$
$- \frac{5}{6} - \frac{1}{6}$
$= - 1$

Answer 2

Răspuns:

Explicație pas cu pas: