1 строка:
$3ab * 6ab = (3 * 6)a^{1 + 1}b^{1 + 1} = 18a^2b^2$;
$3ab * 3b^2c = (3 * 3)ab^{1 + 2}c = 9ab^3c$;
$3ab * 4c^3p^2 = (3 * 4)abc^3p^2 = 12abc^3p^2$;
$3ab * 8a^4x^2 = (3 * 8)a^{1 + 4}bx^2 = 24a^5bx^2$;
$3ab * 5b^2y^2 = (3 * 5)ab^{1 + 2}y^2 = 15ab^3y^2$.
2 строка:
$4bc^2 * 6ab = (4 * 6)ab^{1 + 1}c^2 = 24ab^{2}c^2$;
$4bc^2 * 3b^2c = (4 * 3)b^{1 + 2}c^{2 + 1} = 12b^3c^3$;
$4bc^2 * 4c^3p^2 = (4 * 4)bc^{2 + 3}p^2 = 16bc^5p^2$;
$4bc^2 * 8a^4x^2 = (4 * 8)a^{4}bc^2x^2 = 32a^4bc^2x^2$;
$4bc^2 * 5b^2y^2 = (4 * 5)b^{1 + 2}c^2y^2 = 20b^3c^2y^2$.