3х 8 5 9 - 88 фото и картинок
3х 8 5 9.
Х/6-3/6=7/9.
5х2,5.
{3х+7у=-2 5х+9у=-6.
3.
3х + 11 = 5х + 7(3х – 5).
7/9х-5/18х+1/4х 1/6.
(2х – 3)² + 7х(3х – 1) = (5х + 2)².
(Х-1)^2/8 + 8/(Х-1)^2=7 ([-1/4 - 2/[-1)-1.
2х-12-х/7 1.
5.
X=22:2 11x-(9х-(7х-(5х-(3х-25)))).
3 Х 2 5х 7 8.
8х+5,9=7х+20.
{8-Х>4 4+6х<1.