Question

решите эти два примера​

Answer 1

$\frac{5}{6} + \frac{7}{12}:\frac{7}{2} = \frac{5}{6} + \frac{7}{12}*\frac{2}{7} = \frac{5}{6} + \frac{1}{6} = 1\\\\\frac{2.6 - 8.4}{2.5} = \frac{-5.8}{2.5} = - 2.32$