Overview: 7 questions will be solved this time.Among them
☆7 equations
[ 1/7 Equation]
Work: Find the solution of equation 1.4255 = -0.0266*x*x+0.0893+1.3599 .
Question type: Equation
Solution:Original question:| | 2851 2000 | = | - | 133 5000 | x | x | + | 893 10000 | + | 13599 10000 |
| Right side of the equation = | - | 133 5000 | x | x | + | 3623 2500 |
The equation is transformed into :
| | 2851 2000 | = | - | 133 5000 | x | x | + | 3623 2500 |
The solution of the equation:
x1≈-0.943916 , keep 6 decimal places
x2≈0.943916 , keep 6 decimal places
There are 2 solution(s).
解程的详细方法请参阅:《方程的解法》[ 2/7 Equation]
Work: Find the solution of equation 1.4245 = -0.0266*x*x+0.0893+1.3599 .
Question type: Equation
Solution:Original question:| | 2849 2000 | = | - | 133 5000 | x | x | + | 893 10000 | + | 13599 10000 |
| Right side of the equation = | - | 133 5000 | x | x | + | 3623 2500 |
The equation is transformed into :
| | 2849 2000 | = | - | 133 5000 | x | x | + | 3623 2500 |
After the equation is converted into a general formula, it is converted into:
( √14x +√13 )( √14x - √13 )=0
From
√14x +√13 = 0
√14x - √13 = 0
it is concluded that::
There are 2 solution(s).
解一元二次方程的详细方法请参阅:《一元二次方程的解法》[ 3/7 Equation]
Work: Find the solution of equation 1.4243 = -0.0266*x*x+0.0893+1.3599 .
Question type: Equation
Solution:Original question:| | 14243 10000 | = | - | 133 5000 | x | x | + | 893 10000 | + | 13599 10000 |
| Right side of the equation = | - | 133 5000 | x | x | + | 3623 2500 |
The equation is transformed into :
| | 14243 10000 | = | - | 133 5000 | x | x | + | 3623 2500 |
The solution of the equation:
x1≈-0.967518 , keep 6 decimal places
x2≈0.967518 , keep 6 decimal places
There are 2 solution(s).
解程的详细方法请参阅:《方程的解法》[ 4/7 Equation]
Work: Find the solution of equation 1.4203 = -0.0266*x*x+0.0893+1.3599 .
Question type: Equation
Solution:Original question:| | 14203 10000 | = | - | 133 5000 | x | x | + | 893 10000 | + | 13599 10000 |
| Right side of the equation = | - | 133 5000 | x | x | + | 3623 2500 |
The equation is transformed into :
| | 14203 10000 | = | - | 133 5000 | x | x | + | 3623 2500 |
The solution of the equation:
x1≈-1.042337 , keep 6 decimal places
x2≈1.042337 , keep 6 decimal places
There are 2 solution(s).
解程的详细方法请参阅:《方程的解法》[ 5/7 Equation]
Work: Find the solution of equation 1.4150 = -0.0266*x*x+0.0893+1.3599 .
Question type: Equation
Solution:Original question:| | 283 200 | = | - | 133 5000 | x | x | + | 893 10000 | + | 13599 10000 |
| Right side of the equation = | - | 133 5000 | x | x | + | 3623 2500 |
The equation is transformed into :
| | 283 200 | = | - | 133 5000 | x | x | + | 3623 2500 |
After the equation is converted into a general formula, it is converted into:
( √7x +3 )( √7x - 3 )=0
From
√7x +3 = 0
√7x - 3 = 0
it is concluded that::
There are 2 solution(s).
解一元二次方程的详细方法请参阅:《一元二次方程的解法》[ 6/7 Equation]
Work: Find the solution of equation 1.4074 = -0.0266*x*x+0.0893+1.3599 .
Question type: Equation
Solution:Original question:| | 7037 5000 | = | - | 133 5000 | x | x | + | 893 10000 | + | 13599 10000 |
| Right side of the equation = | - | 133 5000 | x | x | + | 3623 2500 |
The equation is transformed into :
| | 7037 5000 | = | - | 133 5000 | x | x | + | 3623 2500 |
After the equation is converted into a general formula, it is converted into:
( √7x +√11 )( √7x - √11 )=0
From
√7x +√11 = 0
√7x - √11 = 0
it is concluded that::
There are 2 solution(s).
解一元二次方程的详细方法请参阅:《一元二次方程的解法》[ 7/7 Equation]
Work: Find the solution of equation 1.3981 = -0.0266*x*x+0.0893+1.3599 .
Question type: Equation
Solution:Original question:| | 13981 10000 | = | - | 133 5000 | x | x | + | 893 10000 | + | 13599 10000 |
| Right side of the equation = | - | 133 5000 | x | x | + | 3623 2500 |
The equation is transformed into :
| | 13981 10000 | = | - | 133 5000 | x | x | + | 3623 2500 |
The solution of the equation:
x1≈-1.386020 , keep 6 decimal places
x2≈1.386020 , keep 6 decimal places
There are 2 solution(s).
解程的详细方法请参阅:《方程的解法》
>>注:本次最多计算 7 道题。
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