Докажите тождество (m
(m-2/m+2-m+2/m-2):8m/m²-4+1-m/1-3m=2m/1-3m (m-2)²-(m+2)²/m²-4*m²-4/8m=2m-1+m/1-3m -8m/8m=3m-1/-(3m-1) -1=-1