katy2506 (6/3 - 10 + 9 - 5/3)/(/3 - 1) = (/3 - 1)/(/3 - 1) = 1

Оля20010305 ((2+√3)*(3√3-5))/(√3-1)=(6√3-10+9-5√3)/(√3-1)=(√3-1)/(√3-1)=1