1/2=0.5
0.5-0.375=0.125
0.125+0.25=0.375
375 : 0.25=1500
Ответ: 1500
(a-b)(a+b)(a-3b)=(a²-b²)(a-3b)=
=a²•a + a²•(-3b) - b²•a - b²•(-3b)=
=a³ - 3a²b - b²a + 3b³
(х+3)(2х-1)(3х+2)=
=(х•2х + х•(-1) + 3•2х +3•(-1))(3х+2)=
=(2х²-х+6х-3)(3х+2)=
=(2х²+5х-3)(3х+2)=
=2х²•3х + 2х²•2 +5х•3х + 5х•2 - 3•3х - 3•2=
=6х³+4х²+15х²+10х-9х-6=
=6х³+19х²+х-6
M^8+37m^5=m^5(m^3+27)=m^5(m+3)(m^2-3m+9)