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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: 33×9
Solution:
33×9 = 297
Column vertical calculation:
| 3 | 3 | ||||||
| ✖ | 9 | ||||||
| 2 | 9 | 7 | |||||
| 2 | 9 | 7 | |||||
[2/7 Integer column vertical calculation]
Question type: Integer multiplication
Original question: 99×8
Solution:
99×8 = 792
Column vertical calculation:
| 9 | 9 | ||||||
| ✖ | 8 | ||||||
| 7 | 9 | 2 | |||||
| 7 | 9 | 2 | |||||
[3/7 Integer column vertical calculation]
Question type: Integer multiplication
Original question: 96×9
Solution:
96×9 = 864
Column vertical calculation:
| 9 | 6 | ||||||
| ✖ | 9 | ||||||
| 8 | 6 | 4 | |||||
| 8 | 6 | 4 | |||||
[4/7 Integer column vertical calculation]
Question type: Integer multiplication
Original question: 64×9
Solution:
64×9 = 576
Column vertical calculation:
| 6 | 4 | ||||||
| ✖ | 9 | ||||||
| 5 | 7 | 6 | |||||
| 5 | 7 | 6 | |||||
[5/7 Integer column vertical calculation]
Question type: Integer multiplication
Original question: 95×9
Solution:
95×9 = 855
Column vertical calculation:
| 9 | 5 | ||||||
| ✖ | 9 | ||||||
| 8 | 5 | 5 | |||||
| 8 | 5 | 5 | |||||
[6/7 Integer column vertical calculation]
Question type: Integer multiplication
Original question: 19×9
Solution:
19×9 = 171
Column vertical calculation:
| 1 | 9 | ||||||
| ✖ | 9 | ||||||
| 1 | 7 | 1 | |||||
| 1 | 7 | 1 | |||||
[7/7 Integer column vertical calculation]
Question type: Integer multiplication
Original question: 91×9
Solution:
91×9 = 819
Column vertical calculation:
| 9 | 1 | ||||||
| ✖ | 9 | ||||||
| 8 | 1 | 9 | |||||
| 8 | 1 | 9 | |||||
>>注：本次最多计算 7 道题。