wordki.pl - nauka słówek
matma
autor: kajut
a^3+b^3(a+b)(a^2-ab+b^2)
a^3-b^3(a-b)(a^2+ab+b^2)
(a+b)(a-b)a^2-b^2
(a+b)^3a^3+3a^2b+3ab^2+b^3
(a-b)^3a^3-3a^2b+3ab^2-b^3
(a-/+b)a^2-/+ 2ab -/+b^2