Question

Đặt tính rồi tính.

427 + 246                     607 + 143                      729 + 32                          246 + 44

Answer 1

\(\begin{array}{*{20}{c}}{ + \begin{array}{*{20}{c}}{427}\\{246}\end{array}}\\\hline{\,\,\,\,673}\end{array}\)                                \(\begin{array}{*{20}{c}}{ + \begin{array}{*{20}{c}}{607}\\{143}\end{array}}\\\hline{\,\,\,\,750}\end{array}\)

\(\begin{array}{*{20}{c}}{ + \begin{array}{*{20}{c}}{729}\\{\,\,32}\end{array}}\\\hline{\,\,\,761}\end{array}\)                                \(\begin{array}{*{20}{c}}{ + \begin{array}{*{20}{c}}{246}\\{\,\,44}\end{array}}\\\hline{\,\,\,290}\end{array}\)