Điền số thích hợp vào bảng sau. (2 điểm)

Thừa số	245 367	647 102	390 478	354 029
Thừa số	7	13	21	9
Tích

Thừa số

245 367

647 102

390 478

354 029

Thừa số

7

13

21

9

Tích

1 717 569

8 412 326

8 200 038

3 186 261

245 367 × 7

\[\begin{array}{l} \times \begin{array}{*{20}{c}}{\,\,\,\,245\,\,367}\\{\underline {\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,7} }\end{array}\\\,\,\,\,1\,\,717\,\,569\end{array}\]

647 102 × 13

\[\begin{array}{l} \times \begin{array}{*{20}{c}}{\,\,\,\,647\,\,102}\\{\underline {\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,13} }\end{array}\\\,\,\,1\,\,941\,\,306\\\,\,\underline {6\,\,471\,\,02\,\,\,\,} \\\,\,8\,\,412\,\,326\end{array}\]

390 478 × 21

\[\begin{array}{l} \times \begin{array}{*{20}{c}}{\,\,\,\,390\,\,478}\\{\underline {\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,21} }\end{array}\\\,\,\,\,\,\,\,390\,\,478\\\,\,\underline {7\,\,809\,\,56\,\,\,\,} \\\,\,8\,\,200\,\,038\end{array}\]

354 029 × 9

\[\begin{array}{l} \times \begin{array}{*{20}{c}}{\,\,\,\,354\,\,029}\\{\underline {\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,9} }\end{array}\\\,\,\,\,3\,\,186\,\,261\end{array}\]