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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 multiplication
Original question: 15×9
Solution:
15×9 = 135
Column vertical calculation:
| 1 | 5 | ||||||
| ✖ | 9 | ||||||
| 1 | 3 | 5 | |||||
| 1 | 3 | 5 | |||||
[2/7 Integer column vertical calculation]
Question type: Integer multiplication
Original question: 45×9
Solution:
45×9 = 405
Column vertical calculation:
| 4 | 5 | ||||||
| ✖ | 9 | ||||||
| 4 | 0 | 5 | |||||
| 4 | 0 | 5 | |||||
[3/7 Integer column vertical calculation]
Question type: Integer multiplication
Original question: 61×6
Solution:
61×6 = 366
Column vertical calculation:
| 6 | 1 | ||||||
| ✖ | 6 | ||||||
| 3 | 6 | 6 | |||||
| 3 | 6 | 6 | |||||
[4/7 Integer column vertical calculation]
Question type: Integer multiplication
Original question: 26×9
Solution:
26×9 = 234
Column vertical calculation:
| 2 | 6 | ||||||
| ✖ | 9 | ||||||
| 2 | 3 | 4 | |||||
| 2 | 3 | 4 | |||||
[5/7 Integer column vertical calculation]
Question type: Integer multiplication
Original question: 90×9
Solution:
90×9 = 810
Column vertical calculation:
| 9 | 0 | ||||||
| ✖ | 9 | ||||||
| 8 | 1 | 0 | |||||
| 8 | 1 | 0 | |||||
[6/7 Integer column vertical calculation]
Question type: Integer multiplication
Original question: 49×9
Solution:
49×9 = 441
Column vertical calculation:
| 4 | 9 | ||||||
| ✖ | 9 | ||||||
| 4 | 4 | 1 | |||||
| 4 | 4 | 1 | |||||
[7/7 Integer column vertical calculation]
Question type: Integer multiplication
Original question: 52×8
Solution:
52×8 = 416
Column vertical calculation:
| 5 | 2 | ||||||
| ✖ | 8 | ||||||
| 4 | 1 | 6 | |||||
| 4 | 1 | 6 | |||||
>>注：本次最多计算 7 道题。