1) a+a+a+aaaaa= a\,+ ; 2) babab+xyyxyxx= + ; 3) b\,\cdot +\,b\,\cdot +\,b\,\cdot +\,b\,\cdot =4b^2; 4) a\,\cdot +\,a\,\cdot +\,a\,\cdot =3a^2b; 5) m^2\,\cdot +\,m^2\,\cdot +\,m^2\,\cdot = m^3; 6) 2a^3b\,\cdot +\,a^3b\,\cdot +\,3a^3b\,\cdot = a^3bc^2.

Задание

Заполни пропуски

 \(b\,\cdot\) [ ] \(+\,b\,\cdot\) [ ] \(+\,b\,\cdot\) [ ] \(+\,b\,\cdot\) [ ] \(=4b^2\) ;

 \(a\,\cdot \) [ ] \(+\,a\,\cdot\) [ ] \(+\,a\,\cdot\) [ ] \(=3a^2b\) ;

 \(m^2\,\cdot\) [ ] \(+\,m^2\,\cdot\) [ ] \(+\,m^2\,\cdot\) [ ] \(=\) [ ] \(m^3\) ;

 \(2a^3b\,\cdot\) [ ] \(+\,a^3b\,\cdot\) [ ] \(+\,3a^3b\,\cdot\) [ ] \(=\) [ ] \(a^3bc^2\) .