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: 3400×5000 Solution:
3400×5000 =
17000000 Column vertical calculation:
| | | | | | | | | | 3 | 4 | 0 | 0 |
| ✖ | | | | | | | | | 5 | 0 | 0 | 0 |
|
| | | | | | | | | | 0 | 0 | 0 | 0 |
| | | | | | | | | 0 | 0 | 0 | 0 | |
| | | | | | | | 0 | 0 | 0 | 0 | | |
| | | | | | 1 | 7 | 0 | 0 | 0 | | | |
|
| | | | | | 1 | 7 | 0 | 0 | 0 | 0 | 0 | 0 |
[2/3 Integer column vertical calculation]
Question type: Integer multiplication
Original question: 20000×5500 Solution:
20000×5500 =
110000000 Column vertical calculation:
| | | | | | | | | | 2 | 0 | 0 | 0 | 0 |
| ✖ | | | | | | | | | | 5 | 5 | 0 | 0 |
|
| | | | | | | | | | 0 | 0 | 0 | 0 | 0 |
| | | | | | | | | 0 | 0 | 0 | 0 | 0 | |
| | | | | | | 1 | 0 | 0 | 0 | 0 | 0 | | |
| | | | | | 1 | 0 | 0 | 0 | 0 | 0 | | | |
|
| | | | | | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
[3/3 Integer column vertical calculation]
Question type: Integer division
Original question: 5600000÷5000 Solution:
5600000÷5000 =
1120 Column vertical calculation:
| | | | | | | | | 1 | 1 | 2 | 0 |
| 5 | 0 | 0 | 0 | 丿 | 5 | 6 | 0 | 0 | 0 | 0 | 0 |
| | | | | | 5 | 0 | 0 | 0 |
| | | | | |
|
| | | | | | | 6 | 0 | 0 | 0 |
| | | | | | | 5 | 0 | 0 | 0 |
|
| | | | | | |
|
| | | | | | | 1 | 0 | 0 | 0 | 0 |
| | | | | | | 1 | 0 | 0 | 0 | 0 |
|
| | | | | | |
|
| | | | | | | | | | | 0 | 0 |
| | | | | | | | | | | | 0 |
|
| | | | | | | | | | | |
|
| | | | | | | | | | | | 0 |
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