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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: 1995+775
Solution:
1995+775 = 2770
Column vertical calculation:
| 1 | 9 | 9 | 5 | |||
| ➕ | 1 | 71 | 71 | 5 | ||
| 2 | 7 | 7 | 0 | |||
[2/7 Integer column vertical calculation]
Question type: Integer addition
Original question: 1985+807
Solution:
1985+807 = 2792
Column vertical calculation:
| 1 | 9 | 8 | 5 | |||
| ➕ | 1 | 8 | 01 | 7 | ||
| 2 | 7 | 9 | 2 | |||
[3/7 Integer column vertical calculation]
Question type: Integer addition
Original question: 1136+471
Solution:
1136+471 = 1607
Column vertical calculation:
| 1 | 1 | 3 | 6 | |||
| ➕ | 41 | 7 | 1 | |||
| 1 | 6 | 0 | 7 | |||
[4/7 Integer column vertical calculation]
Question type: Integer addition
Original question: 3145+427
Solution:
3145+427 = 3572
Column vertical calculation:
| 3 | 1 | 4 | 5 | |||
| ➕ | 4 | 21 | 7 | |||
| 3 | 5 | 7 | 2 | |||
[5/7 Integer column vertical calculation]
Question type: Integer addition
Original question: 1437+270
Solution:
1437+270 = 1707
Column vertical calculation:
| 1 | 4 | 3 | 7 | |||
| ➕ | 21 | 7 | 0 | |||
| 1 | 7 | 0 | 7 | |||
[6/7 Integer column vertical calculation]
Question type: Integer addition
Original question: 1683+181
Solution:
1683+181 = 1864
Column vertical calculation:
| 1 | 6 | 8 | 3 | |||
| ➕ | 11 | 8 | 1 | |||
| 1 | 8 | 6 | 4 | |||
[7/7 Integer column vertical calculation]
Question type: Integer addition
Original question: 1803+786
Solution:
1803+786 = 2589
Column vertical calculation:
| 1 | 8 | 0 | 3 | |||
| ➕ | 1 | 7 | 8 | 6 | ||
| 2 | 5 | 8 | 9 | |||
>>注：本次最多计算 7 道题。