3,2
Объяснение:
(m-4n)/(m-3) +(5m-2n)/(3-m) +(8m-4n)/(2m-6)=(2(m-4n)+2(2n-5m)+8m-4n)/(2(m-3))=(2m-10m+8m-8n+4n-4n)/(2(m-3))= -8n/(2(m-3))= -4n/(m-3)=(-4×2)/(0,5-3)= -8/(-2,5)=3,2
3,2
Объяснение:
(m-4n)/(m-3) +(5m-2n)/(3-m) +(8m-4n)/(2m-6)=(2(m-4n)+2(2n-5m)+8m-4n)/(2(m-3))=(2m-10m+8m-8n+4n-4n)/(2(m-3))= -8n/(2(m-3))= -4n/(m-3)=(-4×2)/(0,5-3)= -8/(-2,5)=3,2