(0,2v+3u)*(0.08v-0.6uv+6u)
0.016v²-0.12uv²+1.2uv+0.24uv-1.8u²v+18u²
0.016v²-0.12uv²+1.44uv-1.8u²v+18u²
область значений
[1;625]
3cost+cost=-2
cost=-1/2
t=2/3П+2Пk
t=4/3П+2Пk
(m^2-4n^2)/(m+2n)=((m-2n)(m+2n))/(m+2n)=m-2n