221.
(x + y)(x^2 – xy + y^2) = x^3 + y^3
m^3 + n^2 = (m + n)(m^2 – mn + n^2)
224.
m^3 + n^3
q^3 + p^3
a^3 + 1
8 + x^3
226.
5^3
2^3
(3x)^3
(4y)^3
233.
x^3 – y^3
(m-n)(m^2 + mn + n^2)
237.
x^3 – y^3
125 – a^3
4m^2 – 25n^2
49p^2 – q^2
239.
(m – 1)(m^2 + m + 1)
(p – 3q)(p^2 + 3pq + 9q^2)
(5x – 2y)(25x^2 + 10xy + 4y^2)
(4a + 10b)(8a^2 – 40ab + 100b^2)
Միքայել Հովհաննիսյանի Բլոգ 