Respuesta :
[tex]\underline{+\begin{matrix}3,000,000\\\ \ \ 800,000\\\ \ \ \ \ \ 1,000\\\ \ \ \ \ \ \ \ \ 400\\\ \ \ \ \ \ \ \ \ \ \ 40\end{matrix}}\\.\ \ 3,801,440\\\\\boxed{3,801,440=3,000,000+800,000+1,000+400+40}[/tex]
[tex]\underline{+\begin{matrix}3,000,000\\\ \ \ 800,000\\\ \ \ \ \ \ 1,000\\\ \ \ \ \ \ \ \ \ 400\\\ \ \ \ \ \ \ \ \ \ \ 40\end{matrix}}\\.\ \ 3,801,440\\\\\boxed{3,801,440=3,000,000+800,000+1,000+400+40}[/tex]