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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: 5 questions will be solved this time.Among them
☆5 integer calculations
[1/5 Integer column vertical calculation]
Question type: Integer multiplication
Original question: 2015*3215
Solution:
2015*3215 = 6478225
Column vertical calculation:
| 2 | 0 | 1 | 5 | |||||||||
| ✖ | 3 | 2 | 1 | 5 | ||||||||
| 1 | 0 | 0 | 7 | 5 | ||||||||
| 2 | 0 | 1 | 5 | |||||||||
| 4 | 0 | 3 | 0 | |||||||||
| 6 | 0 | 4 | 5 | |||||||||
| 6 | 4 | 7 | 8 | 2 | 2 | 5 | ||||||
[2/5 Integer column vertical calculation]
Question type: Integer multiplication
Original question: 4437*5500
Solution:
4437*5500 = 24403500
Column vertical calculation:
| 4 | 4 | 3 | 7 | |||||||||
| ✖ | 5 | 5 | 0 | 0 | ||||||||
| 0 | 0 | 0 | 0 | |||||||||
| 0 | 0 | 0 | 0 | |||||||||
| 2 | 2 | 1 | 8 | 5 | ||||||||
| 2 | 2 | 1 | 8 | 5 | ||||||||
| 2 | 4 | 4 | 0 | 3 | 5 | 0 | 0 | |||||
[3/5 Integer column vertical calculation]
Question type: Integer multiplication
Original question: 3864*2775
Solution:
3864*2775 = 10722600
Column vertical calculation:
| 3 | 8 | 6 | 4 | |||||||||
| ✖ | 2 | 7 | 7 | 5 | ||||||||
| 1 | 9 | 3 | 2 | 0 | ||||||||
| 2 | 7 | 0 | 4 | 8 | ||||||||
| 2 | 7 | 0 | 4 | 8 | ||||||||
| 7 | 7 | 2 | 8 | |||||||||
| 1 | 0 | 7 | 2 | 2 | 6 | 0 | 0 | |||||
[4/5 Integer column vertical calculation]
Question type: Integer multiplication
Original question: 9999*2343
Solution:
9999*2343 = 23427657
Column vertical calculation:
| 9 | 9 | 9 | 9 | |||||||||
| ✖ | 2 | 3 | 4 | 3 | ||||||||
| 2 | 9 | 9 | 9 | 7 | ||||||||
| 3 | 9 | 9 | 9 | 6 | ||||||||
| 2 | 9 | 9 | 9 | 7 | ||||||||
| 1 | 9 | 9 | 9 | 8 | ||||||||
| 2 | 3 | 4 | 2 | 7 | 6 | 5 | 7 | |||||
[5/5 Integer column vertical calculation]
Question type: Integer multiplication
Original question: 6000*8000
Solution:
6000*8000 = 48000000
Column vertical calculation:
| 6 | 0 | 0 | 0 | |||||||||
| ✖ | 8 | 0 | 0 | 0 | ||||||||
| 0 | 0 | 0 | 0 | |||||||||
| 0 | 0 | 0 | 0 | |||||||||
| 0 | 0 | 0 | 0 | |||||||||
| 4 | 8 | 0 | 0 | 0 | ||||||||
| 4 | 8 | 0 | 0 | 0 | 0 | 0 | 0 | |||||