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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: 650+100
Solution:
650+100 = 750
Column vertical calculation:
| 6 | 5 | 0 | |||
| ➕ | 1 | 0 | 0 | ||
| 7 | 5 | 0 | |||
[2/7 Integer column vertical calculation]
Question type: Integer subtraction
Original question: 530-180
Solution:
530-180 = 350
Column vertical calculation:
| 1 | |||||
| 5 | 3 | 0 | |||
| ➖ | 1 | 8 | 0 | ||
| 3 | 5 | 0 | |||
[3/7 Integer column vertical calculation]
Question type: Integer addition
Original question: 510+400
Solution:
510+400 = 910
Column vertical calculation:
| 5 | 1 | 0 | |||
| ➕ | 4 | 0 | 0 | ||
| 9 | 1 | 0 | |||
[4/7 Integer column vertical calculation]
Question type: Integer addition
Original question: 250+500
Solution:
250+500 = 750
Column vertical calculation:
| 2 | 5 | 0 | |||
| ➕ | 5 | 0 | 0 | ||
| 7 | 5 | 0 | |||
[5/7 Integer column vertical calculation]
Question type: Integer addition
Original question: 290+260
Solution:
290+260 = 550
Column vertical calculation:
| 2 | 9 | 0 | |||
| ➕ | 21 | 6 | 0 | ||
| 5 | 5 | 0 | |||
[6/7 Integer column vertical calculation]
Question type: Integer subtraction
Original question: 420-230
Solution:
420-230 = 190
Column vertical calculation:
| 1 | |||||
| 4 | 2 | 0 | |||
| ➖ | 2 | 3 | 0 | ||
| 1 | 9 | 0 | |||
[7/7 Integer column vertical calculation]
Question type: Integer addition
Original question: 550+120
Solution:
550+120 = 670
Column vertical calculation:
| 5 | 5 | 0 | |||
| ➕ | 1 | 2 | 0 | ||
| 6 | 7 | 0 | |||
>>注：本次最多计算 7 道题。