Question

Đặt tính rồi tính.

548 + 312                 592 + 234                    690 + 89                  427 + 125

Answer 1

\(\begin{array}{*{20}{c}}{ + \begin{array}{*{20}{c}}{548}\\{312}\end{array}}\\\hline{\,\,\,\,860}\end{array}\)                               \(\begin{array}{*{20}{c}}{ + \begin{array}{*{20}{c}}{592}\\{234}\end{array}}\\\hline{\,\,\,826}\end{array}\)

\(\begin{array}{*{20}{c}}{ + \begin{array}{*{20}{c}}{690}\\{\,\,\,89}\end{array}}\\\hline{\,\,\,779}\end{array}\)                               \(\begin{array}{*{20}{c}}{ + \begin{array}{*{20}{c}}{427}\\{125}\end{array}}\\\hline{\,\,\,552}\end{array}\)