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: 7*142857142857142857142857 Solution:
7*142857142857142857142857 =
999999999999999999999999 Column vertical calculation:
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | 7 |
✖ | | | | | | 1 | 4 | 2 | 8 | 5 | 7 | 1 | 4 | 2 | 8 | 5 | 7 | 1 | 4 | 2 | 8 | 5 | 7 | 1 | 4 | 2 | 8 | 5 | 7 |
|
| | | | | | | | | | | | | | | | | | | | | | | | | | | | 4 | 9 |
| | | | | | | | | | | | | | | | | | | | | | | | | | | 3 | 5 | |
| | | | | | | | | | | | | | | | | | | | | | | | | | 5 | 6 | | |
| | | | | | | | | | | | | | | | | | | | | | | | | 1 | 4 | | | |
| | | | | | | | | | | | | | | | | | | | | | | | 2 | 8 | | | | |
| | | | | | | | | | | | | | | | | | | | | | | | 7 | | | | | |
| | | | | | | | | | | | | | | | | | | | | | 4 | 9 | | | | | | |
| | | | | | | | | | | | | | | | | | | | | 3 | 5 | | | | | | | |
| | | | | | | | | | | | | | | | | | | | 5 | 6 | | | | | | | | |
| | | | | | | | | | | | | | | | | | | 1 | 4 | | | | | | | | | |
| | | | | | | | | | | | | | | | | | 2 | 8 | | | | | | | | | | |
| | | | | | | | | | | | | | | | | | 7 | | | | | | | | | | | |
| | | | | | | | | | | | | | | | 4 | 9 | | | | | | | | | | | | |
| | | | | | | | | | | | | | | 3 | 5 | | | | | | | | | | | | | |
| | | | | | | | | | | | | | 5 | 6 | | | | | | | | | | | | | | |
| | | | | | | | | | | | | 1 | 4 | | | | | | | | | | | | | | | |
| | | | | | | | | | | | 2 | 8 | | | | | | | | | | | | | | | | |
| | | | | | | | | | | | 7 | | | | | | | | | | | | | | | | | |
| | | | | | | | | | 4 | 9 | | | | | | | | | | | | | | | | | | |
| | | | | | | | | 3 | 5 | | | | | | | | | | | | | | | | | | | |
| | | | | | | | 5 | 6 | | | | | | | | | | | | | | | | | | | | |
| | | | | | | 1 | 4 | | | | | | | | | | | | | | | | | | | | | |
| | | | | | 2 | 8 | | | | | | | | | | | | | | | | | | | | | | |
| | | | | | 7 | | | | | | | | | | | | | | | | | | | | | | | |
|
| | | | | | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 |
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