Question

помоги с математикой

Answer 1

1)
$\frac{25}{4}(2 - \frac{33}{8} = \frac{50}{8} - \frac{33}{8} = \frac{17}{8}$
2)
$\frac{17}{8} \times 4 = \frac{68}{8}$
$\frac{10}{3} \div \frac{7}{3 } = \frac{10}{3} \times \frac{3}{7} = \frac{10}{7}$
4)
$\frac{68}{8}(7 + \frac{10}{7}(8 = \frac{476}{56} + \frac{80}{56} = \frac{556}{56} = \frac{278}{28} = \frac{139}{14}$
отв:9. 13/14