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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: 66×55
Solution:
66×55 = 3630
Column vertical calculation:
| 6 | 6 | |||||||
| ✖ | 5 | 5 | ||||||
| 3 | 3 | 0 | ||||||
| 3 | 3 | 0 | ||||||
| 3 | 6 | 3 | 0 | |||||
[2/7 Integer column vertical calculation]
Question type: Integer multiplication
Original question: 54×87
Solution:
54×87 = 4698
Column vertical calculation:
| 5 | 4 | |||||||
| ✖ | 8 | 7 | ||||||
| 3 | 7 | 8 | ||||||
| 4 | 3 | 2 | ||||||
| 4 | 6 | 9 | 8 | |||||
[3/7 Integer column vertical calculation]
Question type: Integer multiplication
Original question: 86×74
Solution:
86×74 = 6364
Column vertical calculation:
| 8 | 6 | |||||||
| ✖ | 7 | 4 | ||||||
| 3 | 4 | 4 | ||||||
| 6 | 0 | 2 | ||||||
| 6 | 3 | 6 | 4 | |||||
[4/7 Integer column vertical calculation]
Question type: Integer multiplication
Original question: 93×98
Solution:
93×98 = 9114
Column vertical calculation:
| 9 | 3 | |||||||
| ✖ | 9 | 8 | ||||||
| 7 | 4 | 4 | ||||||
| 8 | 3 | 7 | ||||||
| 9 | 1 | 1 | 4 | |||||
[5/7 Integer column vertical calculation]
Question type: Integer multiplication
Original question: 96×54
Solution:
96×54 = 5184
Column vertical calculation:
| 9 | 6 | |||||||
| ✖ | 5 | 4 | ||||||
| 3 | 8 | 4 | ||||||
| 4 | 8 | 0 | ||||||
| 5 | 1 | 8 | 4 | |||||
[6/7 Integer column vertical calculation]
Question type: Integer multiplication
Original question: 84×88
Solution:
84×88 = 7392
Column vertical calculation:
| 8 | 4 | |||||||
| ✖ | 8 | 8 | ||||||
| 6 | 7 | 2 | ||||||
| 6 | 7 | 2 | ||||||
| 7 | 3 | 9 | 2 | |||||
[7/7 Integer column vertical calculation]
Question type: Integer multiplication
Original question: 95×82
Solution:
95×82 = 7790
Column vertical calculation:
| 9 | 5 | |||||||
| ✖ | 8 | 2 | ||||||
| 1 | 9 | 0 | ||||||
| 7 | 6 | 0 | ||||||
| 7 | 7 | 9 | 0 | |||||
>>注：本次最多计算 7 道题。