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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 subtraction
Original question: 450-170
Solution:
450-170 = 280
Column vertical calculation:
| 1 | |||||
| 4 | 5 | 0 | |||
| ➖ | 1 | 7 | 0 | ||
| 2 | 8 | 0 | |||
[2/7 Integer column vertical calculation]
Question type: Integer subtraction
Original question: 780-250
Solution:
780-250 = 530
Column vertical calculation:
| 7 | 8 | 0 | |||
| ➖ | 2 | 5 | 0 | ||
| 5 | 3 | 0 | |||
[3/7 Integer column vertical calculation]
Question type: Integer subtraction
Original question: 340-350
Solution:
340-350 = - (350 - 340) = - 10
Column vertical calculation:
| 3 | 5 | 0 | |||
| ➖ | 3 | 4 | 0 | ||
| 0 | 1 | 0 | |||
[4/7 Integer column vertical calculation]
Question type: Integer addition
Original question: 120+650
Solution:
120+650 = 770
Column vertical calculation:
| 1 | 2 | 0 | |||
| ➕ | 6 | 5 | 0 | ||
| 7 | 7 | 0 | |||
[5/7 Integer column vertical calculation]
Question type: Integer addition
Original question: 260+350
Solution:
260+350 = 610
Column vertical calculation:
| 2 | 6 | 0 | |||
| ➕ | 31 | 5 | 0 | ||
| 6 | 1 | 0 | |||
[6/7 Integer column vertical calculation]
Question type: Integer addition
Original question: 400+650
Solution:
400+650 = 1050
Column vertical calculation:
| 4 | 0 | 0 | |||
| ➕ | 1 | 6 | 5 | 0 | |
| 1 | 0 | 5 | 0 | ||
[7/7 Integer column vertical calculation]
Question type: Integer subtraction
Original question: 900-750
Solution:
900-750 = 150
Column vertical calculation:
| 1 | |||||
| 9 | 0 | 0 | |||
| ➖ | 7 | 5 | 0 | ||
| 1 | 5 | 0 | |||
>>注：本次最多计算 7 道题。