Overview: 3 questions will be solved this time.Among them
☆3 integer calculations
[1/3 Integer column vertical calculation]
Question type: Integer multiplication
Original question: 150000×2000 Solution:
150000×2000 =
300000000 Column vertical calculation:
| | | | | | | | | | 1 | 5 | 0 | 0 | 0 | 0 |
| ✖ | | | | | | | | | | | 2 | 0 | 0 | 0 |
|
| | | | | | | | | | 0 | 0 | 0 | 0 | 0 | 0 |
| | | | | | | | | 0 | 0 | 0 | 0 | 0 | 0 | |
| | | | | | | | 0 | 0 | 0 | 0 | 0 | 0 | | |
| | | | | | | 3 | 0 | 0 | 0 | 0 | 0 | | | |
|
| | | | | | | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
[2/3 Integer column vertical calculation]
Question type: Integer multiplication
Original question: 130000×2000 Solution:
130000×2000 =
260000000 Column vertical calculation:
| | | | | | | | | | 1 | 3 | 0 | 0 | 0 | 0 |
| ✖ | | | | | | | | | | | 2 | 0 | 0 | 0 |
|
| | | | | | | | | | 0 | 0 | 0 | 0 | 0 | 0 |
| | | | | | | | | 0 | 0 | 0 | 0 | 0 | 0 | |
| | | | | | | | 0 | 0 | 0 | 0 | 0 | 0 | | |
| | | | | | | 2 | 6 | 0 | 0 | 0 | 0 | | | |
|
| | | | | | | 2 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
[3/3 Integer column vertical calculation]
Question type: Integer division
Original question: 10000000÷2000 Solution:
10000000÷2000 =
5000 Column vertical calculation:
| | | | | | | | | | 5 | 0 | 0 | 0 |
| 2 | 0 | 0 | 0 | 丿 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| | | | | | 1 | 0 | 0 | 0 | 0 |
| | | | | |
|
| | | | | | | | | | 0 | 0 | 0 | 0 |
| | | | | | | | | | | | | 0 |
|
| | | | | | | | | | | | |
|
| | | | | | | | | | | | | 0 |
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