Đặt tính rồi tính a) 9 251 + 24 078 b) 17 262 – 5 637 c) 8 316 × 4 d) 2 745 : 9

\(\begin{array}{l} + \,\,\underline \begin{array}{l}\,\,\,\,9\,\,251\\24\,\,078\end{array} \\\,\,\,\,\,\,33\,\,329\end{array}\)

\(\begin{array}{l} - \,\,\underline \begin{array}{l}17\,\,262\\\,\,\,5\,\,637\end{array} \\\,\,\,\,\,11\,\,625\end{array}\)

\(\begin{array}{l} \times \,\,\underline \begin{array}{l}\,\,\,8\,\,316\\\,\,\,\,\,\,\,\,\,\,\,\,\,\,4\end{array} \\\,\,\,\,33\,\,264\end{array}\)