Question

34,21+23,42=
54+14,35=​

Answer 1

Resposta:

34,21+23,42=57,63

54+14,35=​68,35

Explicação passo-a-passo:

$\frac{\begin{matrix}\space\space&\textbf{3}&4&.&2&1\\ +&\textbf{2}&3&.&4&2\end{matrix}}{\begin{matrix}\space\space&\textbf{5}&7&.&6&3\end{matrix}}$

= 57,63

$\frac{\begin{matrix}\space\space&\textbf{5}&4&.&0&0\\ +&\textbf{1}&4&.&3&5\end{matrix}}{\begin{matrix}\space\space&\textbf{6}&8&.&3&5\end{matrix}}$

=68,35

espero ter ajudado  bons estudos..