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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: 400+510
Solution:
400+510 = 910
Column vertical calculation:
| 4 | 0 | 0 | |||
| ➕ | 5 | 1 | 0 | ||
| 9 | 1 | 0 | |||
[2/7 Integer column vertical calculation]
Question type: Integer addition
Original question: 200+410
Solution:
200+410 = 610
Column vertical calculation:
| 2 | 0 | 0 | |||
| ➕ | 4 | 1 | 0 | ||
| 6 | 1 | 0 | |||
[3/7 Integer column vertical calculation]
Question type: Integer addition
Original question: 300+410
Solution:
300+410 = 710
Column vertical calculation:
| 3 | 0 | 0 | |||
| ➕ | 4 | 1 | 0 | ||
| 7 | 1 | 0 | |||
[4/7 Integer column vertical calculation]
Question type: Integer subtraction
Original question: 800-510
Solution:
800-510 = 290
Column vertical calculation:
| 1 | |||||
| 8 | 0 | 0 | |||
| ➖ | 5 | 1 | 0 | ||
| 2 | 9 | 0 | |||
[5/7 Integer column vertical calculation]
Question type: Integer subtraction
Original question: 700-410
Solution:
700-410 = 290
Column vertical calculation:
| 1 | |||||
| 7 | 0 | 0 | |||
| ➖ | 4 | 1 | 0 | ||
| 2 | 9 | 0 | |||
[6/7 Integer column vertical calculation]
Question type: Integer subtraction
Original question: 700-310
Solution:
700-310 = 390
Column vertical calculation:
| 1 | |||||
| 7 | 0 | 0 | |||
| ➖ | 3 | 1 | 0 | ||
| 3 | 9 | 0 | |||
[7/7 Integer column vertical calculation]
Question type: Integer addition
Original question: 120+310
Solution:
120+310 = 430
Column vertical calculation:
| 1 | 2 | 0 | |||
| ➕ | 3 | 1 | 0 | ||
| 4 | 3 | 0 | |||
>>注：本次最多计算 7 道题。