Đặt tính rồi tính:

213 × 24

2 002 × 65

4 180 × 23

34 × 11

403 × 36

30 168 × 16

32 600 × 15

83 × 11

$\begin{array}{l}\times \underset{¯}{\begin{array}{l}213\\ 24\end{array}}\\ 852\\ \underset{¯}{426}\\ 5112\end{array}$$\begin{array}{l}\times \underset{¯}{\begin{array}{l}2002\\ 65\end{array}}\\ 10010\\ \underset{¯}{12012}\\ 130130\end{array}$$\begin{array}{l}\times \underset{¯}{\begin{array}{l}4180\\ 23\end{array}}\\ 12540\\ \underset{¯}{8360}\\ 96140\end{array}$$\begin{array}{l}\times \underset{¯}{\begin{array}{l}34\\ 11\end{array}}\\ 34\\ \underset{¯}{34}\\ 374\end{array}$$\begin{array}{l}\times \underset{¯}{\begin{array}{l}403\\ 36\end{array}}\\ 2418\\ \underset{¯}{1209}\\ 14508\end{array}$$\begin{array}{l}\times \underset{¯}{\begin{array}{l}30168\\ 16\end{array}}\\ 181008\\ \underset{¯}{30168}\\ 482688\end{array}$$\begin{array}{l}\times \underset{¯}{\begin{array}{l}32600\\ 15\end{array}}\\ 163000\\ \underset{¯}{32600}\\ 489000\end{array}$$\begin{array}{l}\times \underset{¯}{\begin{array}{l}83\\ 11\end{array}}\\ 83\\ \underset{¯}{83}\\ 913\end{array}$