Overview: 7 questions will be solved this time.Among them
☆7 integer calculations
[1/7 Integer column vertical calculation]
Question type: Integer multiplication
Original question: 1102×900 Solution:
1102×900 =
991800 Column vertical calculation:
| | | | | | | | | 1 | 1 | 0 | 2 |
| ✖ | | | | | | | | | 9 | 0 | 0 |
|
| | | | | | | | | 0 | 0 | 0 | 0 |
| | | | | | | | 0 | 0 | 0 | 0 | |
| | | | | | | 9 | 9 | 1 | 8 | | |
|
| | | | | | | 9 | 9 | 1 | 8 | 0 | 0 |
[2/7 Integer column vertical calculation]
Question type: Integer multiplication
Original question: 1011×500 Solution:
1011×500 =
505500 Column vertical calculation:
| | | | | | | | | 1 | 0 | 1 | 1 |
| ✖ | | | | | | | | | 5 | 0 | 0 |
|
| | | | | | | | | 0 | 0 | 0 | 0 |
| | | | | | | | 0 | 0 | 0 | 0 | |
| | | | | | | 5 | 0 | 5 | 5 | | |
|
| | | | | | | 5 | 0 | 5 | 5 | 0 | 0 |
[3/7 Integer column vertical calculation]
Question type: Integer division
Original question: 7500÷250 Solution:
7500÷250 =
30 Column vertical calculation:
[4/7 Integer column vertical calculation]
Question type: Integer multiplication
Original question: 2040×400 Solution:
2040×400 =
816000 Column vertical calculation:
| | | | | | | | | 2 | 0 | 4 | 0 |
| ✖ | | | | | | | | | 4 | 0 | 0 |
|
| | | | | | | | | 0 | 0 | 0 | 0 |
| | | | | | | | 0 | 0 | 0 | 0 | |
| | | | | | | 8 | 1 | 6 | 0 | | |
|
| | | | | | | 8 | 1 | 6 | 0 | 0 | 0 |
[5/7 Integer column vertical calculation]
Question type: Integer multiplication
Original question: 20090×90 Solution:
20090×90 =
1808100 Column vertical calculation:
| | | | | | | | 2 | 0 | 0 | 9 | 0 |
| ✖ | | | | | | | | | | 9 | 0 |
|
| | | | | | | | 0 | 0 | 0 | 0 | 0 |
| | | | | | 1 | 8 | 0 | 8 | 1 | 0 | |
|
| | | | | | 1 | 8 | 0 | 8 | 1 | 0 | 0 |
[6/7 Integer column vertical calculation]
Question type: Integer division
Original question: 69000÷3000 Solution:
69000÷3000 =
23 Column vertical calculation:
| | | | | | | | | 2 | 3 |
| 3 | 0 | 0 | 0 | 丿 | 6 | 9 | 0 | 0 | 0 |
| | | | | | 6 | 0 | 0 | 0 |
| | | | | |
|
| | | | | | | 9 | 0 | 0 | 0 |
| | | | | | | 9 | 0 | 0 | 0 |
|
| | | | | | |
|
| | | | | | | | | | 0 |
[7/7 Integer column vertical calculation]
Question type: Integer multiplication
Original question: 536×7000 Solution:
536×7000 =
3752000 Column vertical calculation:
| | | | | | | | | | 5 | 3 | 6 |
| ✖ | | | | | | | | 7 | 0 | 0 | 0 |
|
| | | | | | | | | | 0 | 0 | 0 |
| | | | | | | | | 0 | 0 | 0 | |
| | | | | | | | 0 | 0 | 0 | | |
| | | | | | 3 | 7 | 5 | 2 | | | |
|
| | | | | | 3 | 7 | 5 | 2 | 0 | 0 | 0 |
>>注:本次最多计算 7 道题。
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