Question

Упростите выражение 9/p:7/c*2p/c

Answer 1

$\frac{9}{p} : \frac{7}{c} *2 \frac{p}{c} = \frac{9}{p} * \frac{c}{7} *\frac{2p}{c}= \frac{18}{7}= 2 \frac{4}{7}$