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: 2151*4649 Solution:
2151*4649 =
9999999 Column vertical calculation:
| | | | | | | | | 2 | 1 | 5 | 1 |
✖ | | | | | | | | | 4 | 6 | 4 | 9 |
|
| | | | | | | | 1 | 9 | 3 | 5 | 9 |
| | | | | | | | 8 | 6 | 0 | 4 | |
| | | | | | 1 | 2 | 9 | 0 | 6 | | |
| | | | | | 8 | 6 | 0 | 4 | | | |
|
| | | | | | 9 | 9 | 9 | 9 | 9 | 9 | 9 |
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