<span>(</span>
<span>)^30 : 90 = </span>
=
=
3х -2 = 0 х-4 = 0 3-2х = 0
3х = 2 х= 4 -2х = -3
х = 2/3 х = 3/2
х= 1,5
_+_____о______-______о________+______о____-_______ > x
2/3 1.5 4
x ∈ (2/3 ; 1.5) (4; +∞)
324÷18=18 *5=90 324-90=234 234÷26=9 *15=135 234-135=99
12^3 или же 1728!!!!!!!!!!!!!!!!!!!!