(q+p)²=
(m-n)²=
(a+2)²=
(b-3)²=
(5+x)²=
(7-y)²=
(x+0,2)²=
(y-0,3)²=
(2a+1)²=
(3b-1)²=
(6+7p)²=
(4-3n)²=
(4m+3)²=
(5m-4)²=
(2x+0,4)²=
(7x-0,6)²=
(3y+4)²=