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Mathematical calculation：
Enter the mathematical formula directly and click the "Next" button to get the calculation answer.
It supports mathematical functions (including trigonometric functions).
Enter the mathematical formula directly and click the "Next" button to get the calculation answer.
It supports mathematical functions (including trigonometric functions).
Current location：Mathematical operation > History of Mathematical Computation > Answer
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: 33×30
Solution:
33×30 = 990
Column vertical calculation:
| 3 | 3 | |||||||
| ✖ | 3 | 0 | ||||||
| 0 | 0 | |||||||
| 9 | 9 | |||||||
| 9 | 9 | 0 | ||||||
[2/7 Integer column vertical calculation]
Question type: Integer multiplication
Original question: 22×40
Solution:
22×40 = 880
Column vertical calculation:
| 2 | 2 | |||||||
| ✖ | 4 | 0 | ||||||
| 0 | 0 | |||||||
| 8 | 8 | |||||||
| 8 | 8 | 0 | ||||||
[3/7 Integer column vertical calculation]
Question type: Integer multiplication
Original question: 23×400
Solution:
23×400 = 9200
Column vertical calculation:
| 2 | 3 | ||||||||
| ✖ | 4 | 0 | 0 | ||||||
| 0 | 0 | ||||||||
| 0 | 0 | ||||||||
| 9 | 2 | ||||||||
| 9 | 2 | 0 | 0 | ||||||
[4/7 Integer column vertical calculation]
Question type: Integer multiplication
Original question: 19×200
Solution:
19×200 = 3800
Column vertical calculation:
| 1 | 9 | ||||||||
| ✖ | 2 | 0 | 0 | ||||||
| 0 | 0 | ||||||||
| 0 | 0 | ||||||||
| 3 | 8 | ||||||||
| 3 | 8 | 0 | 0 | ||||||
[5/7 Integer column vertical calculation]
Question type: Integer multiplication
Original question: 33×300
Solution:
33×300 = 9900
Column vertical calculation:
| 3 | 3 | ||||||||
| ✖ | 3 | 0 | 0 | ||||||
| 0 | 0 | ||||||||
| 0 | 0 | ||||||||
| 9 | 9 | ||||||||
| 9 | 9 | 0 | 0 | ||||||
[6/7 Integer column vertical calculation]
Question type: Integer multiplication
Original question: 22×400
Solution:
22×400 = 8800
Column vertical calculation:
| 2 | 2 | ||||||||
| ✖ | 4 | 0 | 0 | ||||||
| 0 | 0 | ||||||||
| 0 | 0 | ||||||||
| 8 | 8 | ||||||||
| 8 | 8 | 0 | 0 | ||||||
[7/7 Integer column vertical calculation]
Question type: Integer multiplication
Original question: 82×5
Solution:
82×5 = 410
Column vertical calculation:
| 8 | 2 | ||||||
| ✖ | 5 | ||||||
| 4 | 1 | 0 | |||||
| 4 | 1 | 0 | |||||
>>注：本次最多计算 7 道题。