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==equ==
Unary equation
Multivariate equation
==cal==
Solution inequality
Mathematical calculation
Fractional calculation
Mathematical statistics
Resolving prime factor
Fraction and Decimal Interactions
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==LiAl==
Determinant
Matrix multiplication
Inverse matrix
==der==
Derivative function
==img==
Function image
==que==
Q&A
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On line Solution of Monovariate Equation
> The history of univariate equation calculation
-4245.268((0.44-0.0167x)sin(140.454/(15-0.3x))-0.0823x)+90=3.34
x^2-4x+13=0
4245.268((0.44-0.0167x)sin(140.454/(15-0.3x))-0.0823x)-90=3.34
(0.44-0.0167x)sin(140.454/(15-0.3x))-0.0823x=0.00021318
288739-90.164*(1300+273.15)+8.314*(1300+273.15)ln[(100/x)-1] = 0
288739-90.164*(1200+273.15)+8.314*(1200+273.15)ln[(100/x)-1] = 0
288739-90.164*(700+273.15)+8.314*(700+273.15)ln[(100/x)-1] = 0
-74435-91.715*(700+273.15)+8.314*(700+273.15)ln[(100/x)-1] = 0
-74435-91.715*(2000+273.15)+8.314*(2000+273.15)ln[(100/x)-1] = 0
(0.44-0.0167x)sin(140.454/(15-0.3x))-0.0823x=0.000212
-437609-93.266*(2000+273.15)+8.314*(2000+273.15)ln[(100/x)-1] = 0
-437609-93.266*(1000+273.15)+8.314*(1000+273.15)ln[(100/x)-1] = 0
-437609-93.266*(700+273.15)+8.314*(700+273.15)ln[(100/x)-1] = 0
503043-272.043*(1500+273.15)+8.314*(1500+273.15)ln[(100/x)-1] = 0
503043-272.043*(1100+273.15)+8.314*(1100+273.15)ln[(100/x)-1] = 0
503043-272.043*(1200+273.15)+8.314*(1200+273.15)ln[(100/x)-1] = 0
4/3x-6大于等于(6-5x)/3
503043-272.043*(1300+273.15)+8.314*(1300+273.15)ln[(100/x)-1] = 0
503043-272.043*(1000+273.15)+8.314*(1000+273.15)ln[(100/x)-1] = 0
4/3x-6小于等于(6-5x)/3
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