Выдели целую часть и заполни пропуски \dfrac{a+2b}{a+b}= \dfrac{a+b+b}{a+b}= \mathrlap{\:+} +~\dfrac{b}{a+b}. \dfrac{2+a+a^2}{1+a^2} \mathrlap{\:=} \mathrlap{\:=} . \dfrac{x^2+x+3}{x^2+3}= .

Задание

Выдели целую часть и заполни пропуски

\(\dfrac{a+2b}{a+b}=\) \(\dfrac{a+b+b}{a+b}=\) [ ] \(\mathrlap{\:+}\) \(+~\dfrac{b}{a+b}\) .
\(\dfrac{2+a+a^2}{1+a^2}\) \(\mathrlap{\:=}\) [ ] \(\mathrlap{\:=}\) [ ].
\(\dfrac{x^2+x+3}{x^2+3}=\) [ ].