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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: 2 questions will be solved this time.Among them
☆1 equations
☆1 integer calculations
[1/2 Integer column vertical calculation]
Question type: Integer multiplication
Original question: 2*3
Solution:
2*3 = 6
Column vertical calculation:
[ 2/2 Equation]
Work: Find the solution of equation 3x-9 = 8 .
Question type: Equation
Solution:Original question:
Transposition :
Combine the items on the right of the equation:
The coefficient of the unknown number is reduced to 1 :
We obtained :
This is the solution of the equation.
Convert the result to decimal form :
☆1 equations
☆1 integer calculations
[1/2 Integer column vertical calculation]
Question type: Integer multiplication
Original question: 2*3
Solution:
2*3 = 6
Column vertical calculation:
| 2 | ||||||
| ✖ | 3 | |||||
| 6 | ||||||
| 6 | ||||||
[ 2/2 Equation]
Work: Find the solution of equation 3x-9 = 8 .
Question type: Equation
Solution:Original question:
| 3 | x | − | 9 | = | 8 |
Transposition :
| 3 | x | = | 8 | + | 9 |
Combine the items on the right of the equation:
| 3 | x | = | 17 |
The coefficient of the unknown number is reduced to 1 :
| x | = | 17 | ÷ | 3 |
| = | 17 | × | 1 3 |
We obtained :
| x | = | 17 3 |
Convert the result to decimal form :
| x | = | 5.666667 |