Question

(4p-q^2/p):(1-2p/q)=решение

Answer 1

$frac{4p-q^2/p}{1-2p/q}= frac{(4p^2-q^2)/p}{(q-2p)/q} = frac{(2p-q)(2p+q)}{p}* frac{-p}{2p-q}=-2p-q$