3^x+1＝0
    3.1415926535^x+1＝0
    -389152+178.28*（700+273.15）+8.314*（700+273.15）ln(([(100/x)-1]^3)*1^1 )= 0
    1.6a=240%
    -389152+178.28*（700+273.15）+8.314*（700+273.15）ln(([(100/x)-1]^3)*0.1^1 )= 0
    -389152+178.28*（700+273.15）+8.314*（700+273.15）ln(([(100/x)-1]^3)*0.01^1 )= 0
    -389152+178.28*（800+273.15）+8.314*（800+273.15）ln(([(100/x)-1]^3)*0.01^1 )= 0
    -389152+178.28*（800+273.15）+8.314*（800+273.15）ln(([(100/x)-1]^3)*0.1^1 )= 0
    3.1415926535^2.71828183x+1＝0
    -389152+178.28*（800+273.15）+8.314*（800+273.15）ln(([(100/x)-1]^3)*1^1 )= 0
    3k/5=1/10
    3.1415926595^2.71828183x+1＝0
    -389152+178.28*（900+273.15）+8.314*（900+273.15）ln(([(100/x)-1]^3)*1^1 )= 0
    -389152+178.28*（900+273.15）+8.314*（900+273.15）ln(([(100/x)-1]^3)*0.1^1 )= 0
    -389152+178.28*（900+273.15）+8.314*（900+273.15）ln(([(100/x)-1]^3)*0.01^1 )= 0
    3.142^2.718x+1＝0
    2x^(2)+5x—9
    -389152+178.28*（1000+273.15）+8.314*（1000+273.15）ln(([(100/x)-1]^3)*0.01^1 )= 0
    -389152+178.28*（1000+273.15）+8.314*（1000+273.15）ln(([(100/x)-1]^3)*0.1^1 )= 0
    3.146^2.718x+1＝0

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