Overview: 2 questions will be solved this time.Among them
☆1 equations
☆1 arithmetic calculations
[1/2 Formula]
Work: Calculate the value of equation 32+0.6*17*5 .
Question type: Mathematical calculation
Solution:
32+0.6*17*5
=32+10.2*5
=32+51
=83 Answer:32+0.6*17*5=83[ 2/2 Equation]
Work: Find the solution of equation 16*x+0.6*5*(17-16) = 0 .
Question type: Equation
Solution:Original question:| | 16 | x | + | 3 5 | × | 5 | ( | 17 | − | 16 | ) | = | 0 |
| Left side of the equation = | 16 | x | + | 3 | ( | 17 | − | 16 | ) |
The equation is transformed into :
Remove the bracket on the left of the equation:
| Left side of the equation = | 16 | x | + | 3 | × | 17 | − | 3 | × | 16 |
The equation is transformed into :
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 :
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