[tex] \displaystyle\\
\text{In baza 2 adunam doar cate 2 numere.}\\\\
\text{Adunam primele 2 numere:}\\\\
\texttt{11001101 +}\\
\underline{\texttt{~~~10011}}=\\
\texttt{11100000} \\\\
\text{Suma primelor doua numere o adunam cu al treilea numar.}\\\\
\texttt{11100000 +}\\
\underline{\texttt{~~~~1101}}=\\
\texttt{11101101} \\\\
\Longrightarrow~\texttt{11001101 + 10011 + 1101 = 11100000 + 1101 = 11101101}
[/tex]
Explicatii:
Se face adunarea de la dreapta la stanga, la fel ca la numerele in baza 10.
0 + 0 = 0
0 + 1 = 1
1 + 0 = 1
1 + 1 = 10 scriem 0 si-l tinem minte pe 1.
1 + 1 + (1 din minte) = 11 scriem 1 si-l tinem minte pe 1.
