Overview: 1 questions will be solved this time.Among them
☆1 integer calculations
[1/1 Integer column vertical calculation]
Question type: Integer multiplication
Original question: 1123456789×5279 Solution:
1123456789×5279 =
5930728389131 Column vertical calculation:
| | | | | | | | | 1 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
✖ | | | | | | | | | | | | | | | 5 | 2 | 7 | 9 |
|
| | | | | | | | 1 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 1 |
| | | | | | | | 7 | 8 | 6 | 4 | 1 | 9 | 7 | 5 | 2 | 3 | |
| | | | | | | 2 | 2 | 4 | 6 | 9 | 1 | 3 | 5 | 7 | 8 | | |
| | | | | | 5 | 6 | 1 | 7 | 2 | 8 | 3 | 9 | 4 | 5 | | | |
|
| | | | | | 5 | 9 | 3 | 0 | 7 | 2 | 8 | 3 | 8 | 9 | 1 | 3 | 1 |
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