Question

Вычислите:
4/3+(-8целых 1/9+8/5*3целых 1/8):7/6​

Answer 1

$\frac{4}{3} + ( - 8 \frac{1}{9} + \frac{8}{5} \times 3 \frac{1}{8} ) \div \frac{7}{6}$

решаем по действиям :

1)

$\frac{8}{5} \times 3 \frac{1}{8} = \frac{8}{5} \times \frac{25}{8} = \frac{5}{1} = 5$

2)

$- 8 \frac{1}{9} + 5 = 5 - 8 - \frac{1}{9} = - 3 \frac{1}{9}$

3)

$- 3 \frac{1}{9} \div \frac{7}{6} = - \frac{28}{9} \div \frac{7}{6} = - \frac{28}{9} \times \frac{6}{7} =$

$= - \frac{168}{63} = - \frac{8}{3} = - 2 \frac{2}{3}$

4)

$\frac{4}{3} + ( - 2 \frac{2}{3} ) = \frac{4}{3} - 2 \frac{2}{3} = \frac{4}{3} - \frac{8}{3} = - \frac{4}{3} =$

$= - 1 \frac{1}{3}$

Ответ :

$- 1 \frac{1}{3}$