-0.2
Объяснение:
y(y-25)/5y(y-5)+5(3y+5)/5y(y-5)=y2-25y+15y+25/5y(y-5)=y2-10y+25/5y(y-5)=(y-5)^2/5y(y-5)=y-5/5y
при y=2.5 2.5-5/5*2.5=-2.5/12.5=-0.2
-0.2
Объяснение:
y(y-25)/5y(y-5)+5(3y+5)/5y(y-5)=y2-25y+15y+25/5y(y-5)=y2-10y+25/5y(y-5)=(y-5)^2/5y(y-5)=y-5/5y
при y=2.5 2.5-5/5*2.5=-2.5/12.5=-0.2