volk077 (a+6b)^2=a^2+12ab+36b^2
(7x-4y)^2=49x^2-56xy+16y^2
(m+2n)^2=m^2+4mn+4n^2
(5c-p)^3=125p^3-75pc^2-15cp^2+p^3

Кристик2003 1) а²+а×6b²+(6b)²
2) (7x)²-7x×4y+(4y)²
3) m³+3×m²×2n+3×m×(2n)²+(2n)³
4)5c³-3×(5c)²+3×5c×p²-p³