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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: 3 questions will be solved this time.Among them
☆1 arithmetic calculations
☆2 integer calculations
[1/3 Integer column vertical calculation]
Question type: Integer multiplication
Original question: 13717421*9
Solution:
13717421*9 = 123456789
Column vertical calculation:
| 1 | 3 | 7 | 1 | 7 | 4 | 2 | 1 | ||||||
| ✖ | 9 | ||||||||||||
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | |||||
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | |||||
[2/3 Integer column vertical calculation]
Question type: Integer multiplication
Original question: 12345679*9
Solution:
12345679*9 = 111111111
Column vertical calculation:
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 9 | ||||||
| ✖ | 9 | ||||||||||||
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | |||||
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | |||||
[3/3 Formula]
Work: Calculate the value of equation 338^2+270 .
Question type: Mathematical calculation
Solution:
338^2+270
=114244+270
=114514
Answer:338^2+270=114514