(0.4mnp^3)(-5mn^2p)(-12m^2np) упростите выражение
= ( 0,4 * ( - 5 ) * ( - 12 ) ) * ( M * M * M^2 ) * ( N * N^2 * N ) * ( P^3 * P * P ) = = 24 M^4 N^4 P^5