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On line Solution of Monovariate Equation:
    Input any unary equation directly, and then click the "Next" button to obtain the solution of the equation.
    It supports equations that contain mathematical functions.
    Current location:Equations > Monovariate Equation > The history of univariate equation calculation > Answer
    Overview: 1 questions will be solved this time.Among them
           ☆1 equations

[ 1/1 Equation]
    Work: Find the solution of equation 85.56*0.25/(1.2769*3.1415926*0.0625*s*s)+0.4*160*(1-0.25/(1.2769*s*s)) = 120 .
    Question type: Equation
    Solution:Original question:
     
2139
25
×
1
4
÷ (
12769
10000
×
15707963
5000000
×
1
16
s s ) +
2
5
× 160(1
1
4
÷ (
12769
10000
s s )) = 120
     Multiply both sides of the equation by:(
12769
10000
×
15707963
5000000
×
1
16
s s )
     
2139
25
×
1
4
+
2
5
× 160(1
1
4
÷ (
12769
10000
s s ))(
12769
10000
×
15707963
5000000
×
1
16
s s ) = 120(
12769
10000
×
15707963
5000000
×
1
16
s s )
    Remove a bracket on the left of the equation::
     
2139
25
×
1
4
+
2
5
× 160 × 1(
12769
10000
×
15707963
5000000
×
1
16
s s )
2
5
× 160 ×
1
4
÷ (
12769
10000
s s ) × (
12769
10000
×
15707963
5000000
×
1
16
s s ) = 120(
12769
10000
×
15707963
5000000
×
1
16
s s )
    Remove a bracket on the right of the equation::
     
2139
25
×
1
4
+
2
5
× 160 × 1(
12769
10000
×
15707963
5000000
×
1
16
s s )
2
5
× 160 ×
1
4
÷ (
12769
10000
s s ) × (
12769
10000
×
15707963
5000000
×
1
16
s s ) = 120 ×
12769
10000
×
15707963
5000000
×
1
16
s s

    The solution of the equation:
        s1≈-1.140053 , keep 6 decimal places
        s2≈1.140053 , keep 6 decimal places
    
    There are 2 solution(s).


解程的详细方法请参阅:《方程的解法》



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