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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: 700-290
Solution:
700-290 = 410
Column vertical calculation:
| 1 | |||||
| 7 | 0 | 0 | |||
| ➖ | 2 | 9 | 0 | ||
| 4 | 1 | 0 | |||
[2/7 Integer column vertical calculation]
Question type: Integer subtraction
Original question: 680-170
Solution:
680-170 = 510
Column vertical calculation:
| 6 | 8 | 0 | |||
| ➖ | 1 | 7 | 0 | ||
| 5 | 1 | 0 | |||
[3/7 Integer column vertical calculation]
Question type: Integer subtraction
Original question: 440-290
Solution:
440-290 = 150
Column vertical calculation:
| 1 | |||||
| 4 | 4 | 0 | |||
| ➖ | 2 | 9 | 0 | ||
| 1 | 5 | 0 | |||
[4/7 Integer column vertical calculation]
Question type: Integer addition
Original question: 500+140
Solution:
500+140 = 640
Column vertical calculation:
| 5 | 0 | 0 | |||
| ➕ | 1 | 4 | 0 | ||
| 6 | 4 | 0 | |||
[5/7 Integer column vertical calculation]
Question type: Integer subtraction
Original question: 380-270
Solution:
380-270 = 110
Column vertical calculation:
| 3 | 8 | 0 | |||
| ➖ | 2 | 7 | 0 | ||
| 1 | 1 | 0 | |||
[6/7 Integer column vertical calculation]
Question type: Integer addition
Original question: 660+390
Solution:
660+390 = 1050
Column vertical calculation:
| 6 | 6 | 0 | |||
| ➕ | 1 | 31 | 9 | 0 | |
| 1 | 0 | 5 | 0 | ||
[7/7 Integer column vertical calculation]
Question type: Integer addition
Original question: 700+390
Solution:
700+390 = 1090
Column vertical calculation:
| 7 | 0 | 0 | |||
| ➕ | 1 | 3 | 9 | 0 | |
| 1 | 0 | 9 | 0 | ||
>>注：本次最多计算 7 道题。