Задание 3.
Одночлены: $$4x^2$$, $$\frac{ab^2}{3}$$, $$-9a^7$$, $$4^6$$, $$3a^5(-4)bc^2$$, $$y$$, $$b^6$$, $$-7$$.
Ответ: $$4x^2$$, $$\frac{ab^2}{3}$$, $$-9a^7$$, $$4^6$$, $$3a^5(-4)bc^2$$, $$y$$, $$b^6$$, $$-7$$.