〖5x〗^2/(x+5)-(〖6x〗^2-3x-30)/(x+5)-(5-〖2x〗^2-7x)/(x+5)=

a^2/(a-2)-a^2/(a+2)-16/(a^2-4)=

x/(x+3)+3x/(x+3)+(12x+36)/(x^2+6x+9)=

(〖2x〗^2-〖3y〗^2)/(2x-3y)-(12x^3-10x^2 y-18y^2 x-4y^3)/(18x^2-〖8y〗^2 )

Яркf    1   22.04.2020 10:12    1