Đặt tính rồi tính: a) 11 356 + 22 374 + 4 152
Giải thích
a) 11 356 + 22 374 + 4 152 \(\begin{array}{l} + \,\,\,\underline \begin{array}{l}\,11\,\,356\\22\,\,374\\\,\,\,4\,\,152\end{array} \\\,\,\,\,\,\,37\,\,882\end{array}\) | b) 486 397 – 215 213 – 60 124 \(\begin{array}{l} - \,\,\,\underline \begin{array}{l}\,486\,\,397\\\,215\,\,213\\\,\,\,\,60\,\,124\end{array} \\\,\,\,\,\,\,\,211\,\,060\end{array}\) |