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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: 47×33
Solution:
47×33 = 1551
Column vertical calculation:
| 4 | 7 | |||||||
| ✖ | 3 | 3 | ||||||
| 1 | 4 | 1 | ||||||
| 1 | 4 | 1 | ||||||
| 1 | 5 | 5 | 1 | |||||
[2/7 Integer column vertical calculation]
Question type: Integer multiplication
Original question: 87×86
Solution:
87×86 = 7482
Column vertical calculation:
| 8 | 7 | |||||||
| ✖ | 8 | 6 | ||||||
| 5 | 2 | 2 | ||||||
| 6 | 9 | 6 | ||||||
| 7 | 4 | 8 | 2 | |||||
[3/7 Integer column vertical calculation]
Question type: Integer multiplication
Original question: 84×73
Solution:
84×73 = 6132
Column vertical calculation:
| 8 | 4 | |||||||
| ✖ | 7 | 3 | ||||||
| 2 | 5 | 2 | ||||||
| 5 | 8 | 8 | ||||||
| 6 | 1 | 3 | 2 | |||||
[4/7 Integer column vertical calculation]
Question type: Integer multiplication
Original question: 85×46
Solution:
85×46 = 3910
Column vertical calculation:
| 8 | 5 | |||||||
| ✖ | 4 | 6 | ||||||
| 5 | 1 | 0 | ||||||
| 3 | 4 | 0 | ||||||
| 3 | 9 | 1 | 0 | |||||
[5/7 Integer column vertical calculation]
Question type: Integer multiplication
Original question: 87×23
Solution:
87×23 = 2001
Column vertical calculation:
| 8 | 7 | |||||||
| ✖ | 2 | 3 | ||||||
| 2 | 6 | 1 | ||||||
| 1 | 7 | 4 | ||||||
| 2 | 0 | 0 | 1 | |||||
[6/7 Integer column vertical calculation]
Question type: Integer multiplication
Original question: 95×68
Solution:
95×68 = 6460
Column vertical calculation:
| 9 | 5 | |||||||
| ✖ | 6 | 8 | ||||||
| 7 | 6 | 0 | ||||||
| 5 | 7 | 0 | ||||||
| 6 | 4 | 6 | 0 | |||||
[7/7 Integer column vertical calculation]
Question type: Integer multiplication
Original question: 54×97
Solution:
54×97 = 5238
Column vertical calculation:
| 5 | 4 | |||||||
| ✖ | 9 | 7 | ||||||
| 3 | 7 | 8 | ||||||
| 4 | 8 | 6 | ||||||
| 5 | 2 | 3 | 8 | |||||
>>注：本次最多计算 7 道题。