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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: 39×200
Solution:
39×200 = 7800
Column vertical calculation:
[2/7 Integer column vertical calculation]
Question type: Integer multiplication
Original question: 26×500
Solution:
26×500 = 13000
Column vertical calculation:
[3/7 Integer column vertical calculation]
Question type: Integer multiplication
Original question: 28×300
Solution:
28×300 = 8400
Column vertical calculation:
[4/7 Integer column vertical calculation]
Question type: Integer multiplication
Original question: 35×3
Solution:
35×3 = 105
Column vertical calculation:
[5/7 Integer column vertical calculation]
Question type: Integer multiplication
Original question: 35×4
Solution:
35×4 = 140
Column vertical calculation:
[6/7 Integer column vertical calculation]
Question type: Integer multiplication
Original question: 45×5
Solution:
45×5 = 225
Column vertical calculation:
[7/7 Integer column vertical calculation]
Question type: Integer multiplication
Original question: 55×2
Solution:
55×2 = 110
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: 39×200
Solution:
39×200 = 7800
Column vertical calculation:
| 3 | 9 | ||||||||
| ✖ | 2 | 0 | 0 | ||||||
| 0 | 0 | ||||||||
| 0 | 0 | ||||||||
| 7 | 8 | ||||||||
| 7 | 8 | 0 | 0 | ||||||
[2/7 Integer column vertical calculation]
Question type: Integer multiplication
Original question: 26×500
Solution:
26×500 = 13000
Column vertical calculation:
| 2 | 6 | ||||||||
| ✖ | 5 | 0 | 0 | ||||||
| 0 | 0 | ||||||||
| 0 | 0 | ||||||||
| 1 | 3 | 0 | |||||||
| 1 | 3 | 0 | 0 | 0 | |||||
[3/7 Integer column vertical calculation]
Question type: Integer multiplication
Original question: 28×300
Solution:
28×300 = 8400
Column vertical calculation:
| 2 | 8 | ||||||||
| ✖ | 3 | 0 | 0 | ||||||
| 0 | 0 | ||||||||
| 0 | 0 | ||||||||
| 8 | 4 | ||||||||
| 8 | 4 | 0 | 0 | ||||||
[4/7 Integer column vertical calculation]
Question type: Integer multiplication
Original question: 35×3
Solution:
35×3 = 105
Column vertical calculation:
| 3 | 5 | ||||||
| ✖ | 3 | ||||||
| 1 | 0 | 5 | |||||
| 1 | 0 | 5 | |||||
[5/7 Integer column vertical calculation]
Question type: Integer multiplication
Original question: 35×4
Solution:
35×4 = 140
Column vertical calculation:
| 3 | 5 | ||||||
| ✖ | 4 | ||||||
| 1 | 4 | 0 | |||||
| 1 | 4 | 0 | |||||
[6/7 Integer column vertical calculation]
Question type: Integer multiplication
Original question: 45×5
Solution:
45×5 = 225
Column vertical calculation:
| 4 | 5 | ||||||
| ✖ | 5 | ||||||
| 2 | 2 | 5 | |||||
| 2 | 2 | 5 | |||||
[7/7 Integer column vertical calculation]
Question type: Integer multiplication
Original question: 55×2
Solution:
55×2 = 110
Column vertical calculation:
| 5 | 5 | ||||||
| ✖ | 2 | ||||||
| 1 | 1 | 0 | |||||
| 1 | 1 | 0 | |||||
>>注：本次最多计算 7 道题。