(12a-1)/2-1= 6a-1/2 - 1=6a-1.1/2(2a+6b)/2-24ab=a+3b-24ab
121-(11-9x)2=121-22+18x=99+18x
a/2b/2-(ab-7)/2=a/b-ab/2+7/2
b/2+49-(b-7)/2=b/2+49-b/2+7/2=52.1/2
a/4-81-(a/2+9)/2=a/4-81-a/4-9/2=-85.1/2
= 9 1/2 • ( 6,8 + 3,2 ) = 9,5 • 10 = 95
Y=4x^3; x=-1; x=2
2 2 2
S= ∫4x^3dx=4*(x^4/4) |=x^4 |=2^4-(-1)^4=16-1=15
-1 -1 -1
2х-3х+3=4+2х-2
-х+3=2+2х
-3х=-1
х=1/3
<span>Кажется так
</span>