*-квадрат, "-куб
(x+y)*=?
4x*+12x+9=?
(x-y)(x+y)=?
x*-y*=?
x"-y"=?
(p-d)*=?
25a*+10a+1=?
25x*-y*=?
(-a-2)*=?
m"-n"=?
(9-y)*=?
b*+4a*-4ab=?
(9a-b*)(b*+9a)=?
1+a*-2a=?