Question

Calculati:


$- \frac{7}{3} \times ( - \frac{15}{28} ) =$

$\frac{11}{3} \times \frac{21}{55} \times \frac{5}{7}$

$\frac{3}{28} \times ( \frac{7}{5} ) =$

$- \frac{7}{15} \times ( \frac{5}{28} ) \times \frac{8}{21} =$

$( - 4 )\times \frac{3}{16} \times ( - \frac{2}{9} ) =$

​

Answer 1

Sper că te-am ajutat :)