Treść zadania

zad 1 (1) /(x-2) - (1)/(x) = (2)/(2x+2)
zad 2 (x^3-3x^2+3x-1)/9x^2-2x+1) =0
zad 3 (x^2-1)/(2x+5) =<3
zad 4 (x^2-4)/(x^2-2x+8)=<0
zad 5 (1+x)/1+2x)-(1-2x)/(x+1)<1
zad 6 (2x-2)/(x^3-36)-(x-2)/(x^3-6x)=(x-1)/(x^2+6x)