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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: 170-410
Solution:
170-410 = - (410 - 170) = - 240
Column vertical calculation:
| 1 | |||||
| 4 | 1 | 0 | |||
| ➖ | 1 | 7 | 0 | ||
| 2 | 4 | 0 | |||
[2/7 Integer column vertical calculation]
Question type: Integer subtraction
Original question: 780-210
Solution:
780-210 = 570
Column vertical calculation:
| 7 | 8 | 0 | |||
| ➖ | 2 | 1 | 0 | ||
| 5 | 7 | 0 | |||
[3/7 Integer column vertical calculation]
Question type: Integer subtraction
Original question: 340-310
Solution:
340-310 = 30
Column vertical calculation:
| 3 | 4 | 0 | |||
| ➖ | 3 | 1 | 0 | ||
| 0 | 3 | 0 | |||
[4/7 Integer column vertical calculation]
Question type: Integer addition
Original question: 120+610
Solution:
120+610 = 730
Column vertical calculation:
| 1 | 2 | 0 | |||
| ➕ | 6 | 1 | 0 | ||
| 7 | 3 | 0 | |||
[5/7 Integer column vertical calculation]
Question type: Integer addition
Original question: 260+310
Solution:
260+310 = 570
Column vertical calculation:
| 2 | 6 | 0 | |||
| ➕ | 3 | 1 | 0 | ||
| 5 | 7 | 0 | |||
[6/7 Integer column vertical calculation]
Question type: Integer addition
Original question: 400+610
Solution:
400+610 = 1010
Column vertical calculation:
| 4 | 0 | 0 | |||
| ➕ | 1 | 6 | 1 | 0 | |
| 1 | 0 | 1 | 0 | ||
[7/7 Integer column vertical calculation]
Question type: Integer subtraction
Original question: 900-710
Solution:
900-710 = 190
Column vertical calculation:
| 1 | |||||
| 9 | 0 | 0 | |||
| ➖ | 7 | 1 | 0 | ||
| 1 | 9 | 0 | |||
>>注：本次最多计算 7 道题。