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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: 819-489
Solution:
819-489 = 330
Column vertical calculation:
| 1 | |||||
| 8 | 1 | 9 | |||
| ➖ | 4 | 8 | 9 | ||
| 3 | 3 | 0 | |||
[2/7 Integer column vertical calculation]
Question type: Integer subtraction
Original question: 811-796
Solution:
811-796 = 15
Column vertical calculation:
| 1 | 1 | ||||
| 8 | 1 | 1 | |||
| ➖ | 7 | 9 | 6 | ||
| 0 | 1 | 5 | |||
[3/7 Integer column vertical calculation]
Question type: Integer subtraction
Original question: 530-177
Solution:
530-177 = 353
Column vertical calculation:
| 1 | 1 | ||||
| 5 | 3 | 0 | |||
| ➖ | 1 | 7 | 7 | ||
| 3 | 5 | 3 | |||
[4/7 Integer column vertical calculation]
Question type: Integer subtraction
Original question: 775-421
Solution:
775-421 = 354
Column vertical calculation:
| 7 | 7 | 5 | |||
| ➖ | 4 | 2 | 1 | ||
| 3 | 5 | 4 | |||
[5/7 Integer column vertical calculation]
Question type: Integer subtraction
Original question: 395-146
Solution:
395-146 = 249
Column vertical calculation:
| 1 | |||||
| 3 | 9 | 5 | |||
| ➖ | 1 | 4 | 6 | ||
| 2 | 4 | 9 | |||
[6/7 Integer column vertical calculation]
Question type: Integer subtraction
Original question: 487-235
Solution:
487-235 = 252
Column vertical calculation:
| 4 | 8 | 7 | |||
| ➖ | 2 | 3 | 5 | ||
| 2 | 5 | 2 | |||
[7/7 Integer column vertical calculation]
Question type: Integer subtraction
Original question: 991-589
Solution:
991-589 = 402
Column vertical calculation:
| 1 | |||||
| 9 | 9 | 1 | |||
| ➖ | 5 | 8 | 9 | ||
| 4 | 0 | 2 | |||
>>注：本次最多计算 7 道题。