214304-181.879*（900+273.15）+8.314*（900+273.15）ln(([(100/x)-1]^3)*0.1^1 )= 0
    214304-181.879*（900+273.15）+8.314*（900+273.15）ln(([(100/x)-1]^3)*0.01^1 )= 0
    214304-181.879*（800+273.15）+8.314*（800+273.15）ln(([(100/x)-1]^3)*0.01^1 )= 0
    214304-181.879*（800+273.15）+8.314*（800+273.15）ln(([(100/x)-1]^3)*0.1^1 )= 0
    214304-181.879*（700+273.15）+8.314*（700+273.15）ln(([(100/x)-1]^3)*0.1^1 )= 0
    214304-181.879*（700+273.15）+8.314*（700+273.15）ln(([(100/x)-1]^3)*0.01^1 )= 0
    288739-90.164*（700+273.15）+8.314*（700+273.15）ln(([(100/x)-1]^3)*0.01^1 )= 0
    288739-90.164*（700+273.15）+8.314*（700+273.15）ln(([(100/x)-1]^3)*0.1^1 )= 0
    288739-90.164*（800+273.15）+8.314*（800+273.15）ln(([(100/x)-1]^3)*0.1^1 )= 0
    288739-90.164*（800+273.15）+8.314*（800+273.15）ln(([(100/x)-1]^3)*0.01^1 )= 0
    288739-90.164*（900+273.15）+8.314*（900+273.15）ln(([(100/x)-1]^3)*0.01^1 )= 0
    288739-90.164*（900+273.15）+8.314*（900+273.15）ln(([(100/x)-1]^3)*0.1^1 )= 0
    5/x = 2.5*ln(1.205*7000*x/1.82)+5.5
    288739-90.164*（1000+273.15）+8.314*（1000+273.15）ln(([(100/x)-1]^3)*0.1^1 )= 0
    ln(x)=1
    288739-90.164*（1000+273.15）+8.314*（1000+273.15）ln(([(100/x)-1]^3)*0.01^1 )= 0
    288739-90.164*（1100+273.15）+8.314*（1100+273.15）ln(([(100/x)-1]^3)*0.01^1 )= 0
    288739-90.164*（1100+273.15）+8.314*（1100+273.15）ln(([(100/x)-1]^3)*0.1^1 )= 0
    288739-90.164*（1200+273.15）+8.314*（1200+273.15）ln(([(100/x)-1]^3)*0.1^1 )= 0
    （x-2)÷2≥x÷3+1

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