Question

-8/15*5/7:4/7
ПОМОГИТЕ!!!

Answer 1

Ответ:

$-\frac{8}{15} *\frac{5}{7} :\frac{4}{7} =-\frac{2}{3}$

$1)-\frac{8}{15} *\frac{5}{7} =-(\frac{8*5}{15*7})=-\frac{8}{3*7}=-\frac{8}{21}$

$2)-\frac{8}{21} :\frac{4}{7} =-(\frac{8*7}{21*4})=-\frac{2}{3}$