Overview: 7 questions will be solved this time.Among them
☆7 equations
[ 1/7 Equation]
Work: Find the solution of equation 17x = 6.8 .
Question type: Equation
Solution:Original question:
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 :
[ 2/7 Equation]
Work: Find the solution of equation 1.8/x = 6 .
Question type: Equation
Solution:Original question:| Multiply both sides of the equation by: | x |
Transposition :
By shifting the terms and changing the symbols on toth sides of the equation, we obtain :
If the left side of the equation is equal to the right side, then the right side must also be equal to the left side, that is :
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 :
[ 3/7 Equation]
Work: Find the solution of equation x+3.9 = 7.3 .
Question type: Equation
Solution:Original question:
Transposition :
Combine the items on the right of the equation:
This is the solution of the equation.
This is the solution of the equation.
[ 4/7 Equation]
Work: Find the solution of equation x-3 = 4.3 .
Question type: Equation
Solution:Original question:
Transposition :
Combine the items on the right of the equation:
This is the solution of the equation.
This is the solution of the equation.
[ 5/7 Equation]
Work: Find the solution of equation 0.9x = 10.8 .
Question type: Equation
Solution:Original question:
The coefficient of the unknown number is reduced to 1 :
We obtained :
This is the solution of the equation.
[ 6/7 Equation]
Work: Find the solution of equation x/0.8 = 0.8 .
Question type: Equation
Solution:Original question:
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 :
[ 7/7 Equation]
Work: Find the solution of equation 2.6+x = 6.6 .
Question type: Equation
Solution:Original question:
Transposition :
Combine the items on the right of the equation:
This is the solution of the equation.
This is the solution of the equation.
>>注:本次最多计算 7 道题。
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