Question

решите умножения плис​

Answer 1

$- \frac{10}{21} \times ( - 3 \frac{1}{2} ) = - \frac{10}{21} \times ( - \frac{7}{2} ) =$

$= \frac{70}{42} = \frac{35}{21} = 1 \frac{14}{21} = 1 \frac{3}{7}$

Answer 2

-$\frac{10}{21}$*(-$\frac{7}{2}$)=+($\frac{10}{21}$*$\frac{7}{2}$)=$\frac{5}{3}$