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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: 700-400
Solution:
700-400 = 300
Column vertical calculation:
[2/7 Integer column vertical calculation]
Question type: Integer subtraction
Original question: 680-280
Solution:
680-280 = 400
Column vertical calculation:
[3/7 Integer column vertical calculation]
Question type: Integer subtraction
Original question: 440-400
Solution:
440-400 = 40
Column vertical calculation:
[4/7 Integer column vertical calculation]
Question type: Integer addition
Original question: 500+250
Solution:
500+250 = 750
Column vertical calculation:
[5/7 Integer column vertical calculation]
Question type: Integer subtraction
Original question: 380-280
Solution:
380-280 = 100
Column vertical calculation:
[6/7 Integer column vertical calculation]
Question type: Integer addition
Original question: 660+100
Solution:
660+100 = 760
Column vertical calculation:
[7/7 Integer column vertical calculation]
Question type: Integer addition
Original question: 700+100
Solution:
700+100 = 800
Column vertical calculation:
>>注：本次最多计算 7 道题。
☆7 integer calculations
[1/7 Integer column vertical calculation]
Question type: Integer subtraction
Original question: 700-400
Solution:
700-400 = 300
Column vertical calculation:
| 7 | 0 | 0 | |||
| ➖ | 4 | 0 | 0 | ||
| 3 | 0 | 0 | |||
[2/7 Integer column vertical calculation]
Question type: Integer subtraction
Original question: 680-280
Solution:
680-280 = 400
Column vertical calculation:
| 6 | 8 | 0 | |||
| ➖ | 2 | 8 | 0 | ||
| 4 | 0 | 0 | |||
[3/7 Integer column vertical calculation]
Question type: Integer subtraction
Original question: 440-400
Solution:
440-400 = 40
Column vertical calculation:
| 4 | 4 | 0 | |||
| ➖ | 4 | 0 | 0 | ||
| 0 | 4 | 0 | |||
[4/7 Integer column vertical calculation]
Question type: Integer addition
Original question: 500+250
Solution:
500+250 = 750
Column vertical calculation:
| 5 | 0 | 0 | |||
| ➕ | 2 | 5 | 0 | ||
| 7 | 5 | 0 | |||
[5/7 Integer column vertical calculation]
Question type: Integer subtraction
Original question: 380-280
Solution:
380-280 = 100
Column vertical calculation:
| 3 | 8 | 0 | |||
| ➖ | 2 | 8 | 0 | ||
| 1 | 0 | 0 | |||
[6/7 Integer column vertical calculation]
Question type: Integer addition
Original question: 660+100
Solution:
660+100 = 760
Column vertical calculation:
| 6 | 6 | 0 | |||
| ➕ | 1 | 0 | 0 | ||
| 7 | 6 | 0 | |||
[7/7 Integer column vertical calculation]
Question type: Integer addition
Original question: 700+100
Solution:
700+100 = 800
Column vertical calculation:
| 7 | 0 | 0 | |||
| ➕ | 1 | 0 | 0 | ||
| 8 | 0 | 0 | |||
>>注：本次最多计算 7 道题。