4,56 + 5,2 = ...

4,56 + 5,2 = 9,76

\(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{\,\,\,4,56}\\{5,2}\end{array}} \\\,\,\,\,\,\,\,9,76\end{array}\)

7,12 + 1,89 = 9,01

\(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{7,12}\\{1,89}\end{array}} \\\,\,\,9,01\end{array}\)

3,45 + 6,78 = 10,23

\(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{3,45}\\{6,78}\end{array}} \\\,\,10,23\end{array}\)

0,789 + 8,7 = 9,489

\(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{\,\,\,\,\,\,0,789}\\{8,7}\end{array}} \\\,\,\,\,\,\,\,\,\,\,9,489\end{array}\)

1,23 + 7,45 = 8,68

\(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{1,23}\\{7,45}\end{array}} \\\,\,\,\,8,68\end{array}\)

5,78 + 2,34 = 8,12

\(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{5,78}\\{2,34}\end{array}} \\\,\,\,\,\,8,12\end{array}\)

1,45 + 8,6 = 10,05

\(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{\,\,\,1,45}\\{8,6}\end{array}} \\\,\,\,\,10,05\end{array}\)

4,67 + 5,12 = 9,79

\(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{4,67}\\{5,12}\end{array}} \\\,\,\,\,9,79\end{array}\)

7,9 + 0,567 = 8,467

\(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{7,9}\\{\,\,\,\,\,0,567}\end{array}} \\\,\,\,\,\,\,\,\,\,8,467\end{array}\)

2,89 + 6,3 = 9,19

\(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{\,\,\,\,2,89}\\{6,3}\end{array}} \\\,\,\,\,\,\,\,\,9,19\end{array}\)

6,89 + 1,2 = 8,09

\(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{\,\,\,6,89}\\{1,2}\end{array}} \\\,\,\,\,\,\,\,8,09\end{array}\)

0,78 + 9,34 = 10,12

\(\begin{array}{l}\underline { + \begin{array}{*{20}{c}}{0,78}\\{9,34}\end{array}} \\\,\,10,12\end{array}\)