Формула:
V=a*a*a
Решение:
V=3*3*3=27см
(y-1)^2+ 2y-2=y^2-2y+1+2y-2=y^2-1=(y+1)(y-1)
<span> 2x+2 = 5</span>
2x=3
x=3/2
4z^3-z=z(4z^2-z)
<span> z-2z=0
-z=0
z=0
</span>
1/3 = 10/30 =100/300 = 1100/3300
0,3 = 3/10 = 9/30 = 90/300 = 990/3300
0,33 = 33/100 = 99/300 = 1089/3300
4/11 = 1200/3300
Ответ: 4/11; 1/3; 0,33; 0,3.
Помоему х=36.....мб............