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: 497×300 Solution:
497×300 =
149100 Column vertical calculation:
| | | | | | | | | 4 | 9 | 7 |
| ✖ | | | | | | | | 3 | 0 | 0 |
|
| | | | | | | | | 0 | 0 | 0 |
| | | | | | | | 0 | 0 | 0 | |
| | | | | | 1 | 4 | 9 | 1 | | |
|
| | | | | | 1 | 4 | 9 | 1 | 0 | 0 |
[2/7 Integer column vertical calculation]
Question type: Integer multiplication
Original question: 4084×30 Solution:
4084×30 =
122520 Column vertical calculation:
| | | | | | | | 4 | 0 | 8 | 4 |
| ✖ | | | | | | | | | 3 | 0 |
|
| | | | | | | | 0 | 0 | 0 | 0 |
| | | | | | 1 | 2 | 2 | 5 | 2 | |
|
| | | | | | 1 | 2 | 2 | 5 | 2 | 0 |
[3/7 Integer column vertical calculation]
Question type: Integer division
Original question: 6000÷500 Solution:
6000÷500 =
12 Column vertical calculation:
| | | | | | | 1 | 2 |
| 5 | 0 | 0 | 丿 | 6 | 0 | 0 | 0 |
| | | | | 5 | 0 | 0 |
| | | | |
|
| | | | | 1 | 0 | 0 | 0 |
| | | | | 1 | 0 | 0 | 0 |
|
| | | | |
|
| | | | | | | | 0 |
[4/7 Integer column vertical calculation]
Question type: Integer multiplication
Original question: 3500×500 Solution:
3500×500 =
1750000 Column vertical calculation:
| | | | | | | | | 3 | 5 | 0 | 0 |
| ✖ | | | | | | | | | 5 | 0 | 0 |
|
| | | | | | | | | 0 | 0 | 0 | 0 |
| | | | | | | | 0 | 0 | 0 | 0 | |
| | | | | | 1 | 7 | 5 | 0 | 0 | | |
|
| | | | | | 1 | 7 | 5 | 0 | 0 | 0 | 0 |
[5/7 Integer column vertical calculation]
Question type: Integer multiplication
Original question: 5643×40 Solution:
5643×40 =
225720 Column vertical calculation:
| | | | | | | | 5 | 6 | 4 | 3 |
| ✖ | | | | | | | | | 4 | 0 |
|
| | | | | | | | 0 | 0 | 0 | 0 |
| | | | | | 2 | 2 | 5 | 7 | 2 | |
|
| | | | | | 2 | 2 | 5 | 7 | 2 | 0 |
[6/7 Integer column vertical calculation]
Question type: Integer division
Original question: 9450÷630 Solution:
9450÷630 =
15 Column vertical calculation:
| | | | | | | 1 | 5 |
| 6 | 3 | 0 | 丿 | 9 | 4 | 5 | 0 |
| | | | | 6 | 3 | 0 |
| | | | |
|
| | | | | 3 | 1 | 5 | 0 |
| | | | | 3 | 1 | 5 | 0 |
|
| | | | |
|
| | | | | | | | 0 |
[7/7 Integer column vertical calculation]
Question type: Integer multiplication
Original question: 4800×400 Solution:
4800×400 =
1920000 Column vertical calculation:
| | | | | | | | | 4 | 8 | 0 | 0 |
| ✖ | | | | | | | | | 4 | 0 | 0 |
|
| | | | | | | | | 0 | 0 | 0 | 0 |
| | | | | | | | 0 | 0 | 0 | 0 | |
| | | | | | 1 | 9 | 2 | 0 | 0 | | |
|
| | | | | | 1 | 9 | 2 | 0 | 0 | 0 | 0 |
>>注:本次最多计算 7 道题。
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