Equations
Unfold
Math OP
Fold
Linear algebra
Unfold
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: 1557+401
Solution:
1557+401 = 1958
Column vertical calculation:
| 1 | 5 | 5 | 7 | |||
| ➕ | 4 | 0 | 1 | |||
| 1 | 9 | 5 | 8 | |||
[2/7 Integer column vertical calculation]
Question type: Integer addition
Original question: 4035+481
Solution:
4035+481 = 4516
Column vertical calculation:
| 4 | 0 | 3 | 5 | |||
| ➕ | 41 | 8 | 1 | |||
| 4 | 5 | 1 | 6 | |||
[3/7 Integer column vertical calculation]
Question type: Integer addition
Original question: 1662+523
Solution:
1662+523 = 2185
Column vertical calculation:
| 1 | 6 | 6 | 2 | |||
| ➕ | 1 | 5 | 2 | 3 | ||
| 2 | 1 | 8 | 5 | |||
[4/7 Integer column vertical calculation]
Question type: Integer addition
Original question: 3780+480
Solution:
3780+480 = 4260
Column vertical calculation:
| 3 | 7 | 8 | 0 | |||
| ➕ | 1 | 41 | 8 | 0 | ||
| 4 | 2 | 6 | 0 | |||
[5/7 Integer column vertical calculation]
Question type: Integer addition
Original question: 1430+457
Solution:
1430+457 = 1887
Column vertical calculation:
| 1 | 4 | 3 | 0 | |||
| ➕ | 4 | 5 | 7 | |||
| 1 | 8 | 8 | 7 | |||
[6/7 Integer column vertical calculation]
Question type: Integer addition
Original question: 7639+497
Solution:
7639+497 = 8136
Column vertical calculation:
| 7 | 6 | 3 | 9 | |||
| ➕ | 1 | 41 | 91 | 7 | ||
| 8 | 1 | 3 | 6 | |||
[7/7 Integer column vertical calculation]
Question type: Integer addition
Original question: 1492+885
Solution:
1492+885 = 2377
Column vertical calculation:
| 1 | 4 | 9 | 2 | |||
| ➕ | 1 | 81 | 8 | 5 | ||
| 2 | 3 | 7 | 7 | |||
>>注：本次最多计算 7 道题。