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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: 78×102
Solution:
78×102 = 7956
Column vertical calculation:
[2/7 Integer column vertical calculation]
Question type: Integer multiplication
Original question: 69×102
Solution:
69×102 = 7038
Column vertical calculation:
[3/7 Integer column vertical calculation]
Question type: Integer multiplication
Original question: 56×101
Solution:
56×101 = 5656
Column vertical calculation:
[4/7 Integer column vertical calculation]
Question type: Integer multiplication
Original question: 52×102
Solution:
52×102 = 5304
Column vertical calculation:
[5/7 Integer column vertical calculation]
Question type: Integer multiplication
Original question: 125×81
Solution:
125×81 = 10125
Column vertical calculation:
[6/7 Integer column vertical calculation]
Question type: Integer multiplication
Original question: 25×41
Solution:
25×41 = 1025
Column vertical calculation:
[7/7 Integer column vertical calculation]
Question type: Integer multiplication
Original question: 31×99
Solution:
31×99 = 3069
Column vertical calculation:
>>注：本次最多计算 7 道题。
☆7 integer calculations
[1/7 Integer column vertical calculation]
Question type: Integer multiplication
Original question: 78×102
Solution:
78×102 = 7956
Column vertical calculation:
| 7 | 8 | ||||||||
| ✖ | 1 | 0 | 2 | ||||||
| 1 | 5 | 6 | |||||||
| 0 | 0 | ||||||||
| 7 | 8 | ||||||||
| 7 | 9 | 5 | 6 | ||||||
[2/7 Integer column vertical calculation]
Question type: Integer multiplication
Original question: 69×102
Solution:
69×102 = 7038
Column vertical calculation:
| 6 | 9 | ||||||||
| ✖ | 1 | 0 | 2 | ||||||
| 1 | 3 | 8 | |||||||
| 0 | 0 | ||||||||
| 6 | 9 | ||||||||
| 7 | 0 | 3 | 8 | ||||||
[3/7 Integer column vertical calculation]
Question type: Integer multiplication
Original question: 56×101
Solution:
56×101 = 5656
Column vertical calculation:
| 5 | 6 | ||||||||
| ✖ | 1 | 0 | 1 | ||||||
| 5 | 6 | ||||||||
| 0 | 0 | ||||||||
| 5 | 6 | ||||||||
| 5 | 6 | 5 | 6 | ||||||
[4/7 Integer column vertical calculation]
Question type: Integer multiplication
Original question: 52×102
Solution:
52×102 = 5304
Column vertical calculation:
| 5 | 2 | ||||||||
| ✖ | 1 | 0 | 2 | ||||||
| 1 | 0 | 4 | |||||||
| 0 | 0 | ||||||||
| 5 | 2 | ||||||||
| 5 | 3 | 0 | 4 | ||||||
[5/7 Integer column vertical calculation]
Question type: Integer multiplication
Original question: 125×81
Solution:
125×81 = 10125
Column vertical calculation:
| 1 | 2 | 5 | |||||||
| ✖ | 8 | 1 | |||||||
| 1 | 2 | 5 | |||||||
| 1 | 0 | 0 | 0 | ||||||
| 1 | 0 | 1 | 2 | 5 | |||||
[6/7 Integer column vertical calculation]
Question type: Integer multiplication
Original question: 25×41
Solution:
25×41 = 1025
Column vertical calculation:
| 2 | 5 | |||||||
| ✖ | 4 | 1 | ||||||
| 2 | 5 | |||||||
| 1 | 0 | 0 | ||||||
| 1 | 0 | 2 | 5 | |||||
[7/7 Integer column vertical calculation]
Question type: Integer multiplication
Original question: 31×99
Solution:
31×99 = 3069
Column vertical calculation:
| 3 | 1 | |||||||
| ✖ | 9 | 9 | ||||||
| 2 | 7 | 9 | ||||||
| 2 | 7 | 9 | ||||||
| 3 | 0 | 6 | 9 | |||||
>>注：本次最多计算 7 道题。