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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 addition
Original question: 1987+799
Solution:
1987+799 = 2786
Column vertical calculation:
| 1 | 9 | 8 | 7 | |||
| ➕ | 1 | 71 | 91 | 9 | ||
| 2 | 7 | 8 | 6 | |||
[2/7 Integer column vertical calculation]
Question type: Integer addition
Original question: 4537+368
Solution:
4537+368 = 4905
Column vertical calculation:
| 4 | 5 | 3 | 7 | |||
| ➕ | 31 | 61 | 8 | |||
| 4 | 9 | 0 | 5 | |||
[3/7 Integer column vertical calculation]
Question type: Integer addition
Original question: 1342+274
Solution:
1342+274 = 1616
Column vertical calculation:
| 1 | 3 | 4 | 2 | |||
| ➕ | 21 | 7 | 4 | |||
| 1 | 6 | 1 | 6 | |||
[4/7 Integer column vertical calculation]
Question type: Integer addition
Original question: 2558+553
Solution:
2558+553 = 3111
Column vertical calculation:
| 2 | 5 | 5 | 8 | |||
| ➕ | 1 | 51 | 51 | 3 | ||
| 3 | 1 | 1 | 1 | |||
[5/7 Integer column vertical calculation]
Question type: Integer addition
Original question: 1445+369
Solution:
1445+369 = 1814
Column vertical calculation:
| 1 | 4 | 4 | 5 | |||
| ➕ | 31 | 61 | 9 | |||
| 1 | 8 | 1 | 4 | |||
[6/7 Integer column vertical calculation]
Question type: Integer addition
Original question: 5497+324
Solution:
5497+324 = 5821
Column vertical calculation:
| 5 | 4 | 9 | 7 | |||
| ➕ | 31 | 21 | 4 | |||
| 5 | 8 | 2 | 1 | |||
[7/7 Integer column vertical calculation]
Question type: Integer addition
Original question: 3185+247
Solution:
3185+247 = 3432
Column vertical calculation:
| 3 | 1 | 8 | 5 | |||
| ➕ | 21 | 41 | 7 | |||
| 3 | 4 | 3 | 2 | |||
>>注：本次最多计算 7 道题。