Question

помогите срочно дою 20 баллов​

Answer 1

Ответ:

20

$(4-\frac{14}{33}*1\frac{1}{21} ):\frac{8}{45} = (4-\frac{14}{33}*\frac{22}{21} )*\frac{45}{8} = (4-\frac{2}{3}*\frac{2}{3} )*\frac{45}{8} = \\ = (4-\frac{4}{9} )*\frac{45}{8} = \frac{32}{9} * \frac{45}{8} = 4 * 5 = 20$

Answer 2

Ответ:

20 ...................