Question

4. Efectuati:
a) (- 7/3)×(+2/5)×(-30/7)​

Answer 1

$\frac{-7}{3}* \frac{2}{5}* \frac{-30}{7} =\frac{-14}{15}* \frac{-30}{7}=\frac{-14*(-30)}{7*15} =\frac{-2*(-2)}{1*1}=\frac{4}{1}=4$

Sper că te-am ajutat!