132.74*（1+r-2*0.995r）＝1+r
    58*（1+r-2*0.95r）＝1+r
    lnx/ln5=138-3x
    (1.0011*cosX-0.00020)^2+(1.0011*sinX-0.035499)^2=1.0031^2
    (1.0011*cosX-0.09393333)^2+(1.0011*sinX-0.03311628)^2=1.0965^2
    (1.0011*cosX-0.0.09393333)^2+(1.0011*sinX-0.03311628)^2=1.0965^2
    (1.0011*cosX-0.104584157)^2+(1.0011*sinX+0.798782527)^2=0.5169^2
    (1.0011*cosX-0.156349391)^2+(1.0011*sinX+0.750983417)^2=0.4945^2
    (1.0011*cosX-0.15634)^2+(1.0011*sinX+0.75098)^2=0.4945^2
    (1.0011*cosX+0.15634)^2+(1.0011*sinX+0.75098)^2=0.4945^2
    (1.0011*X+0.15634)^2+(1.0011*sqrt(1-X^2)+0.75098)^2=0.4945^2
    (1.0011*X+0.15634)^2+(1.0011*(1-X^2)^0.5+0.75098)^2=0.4945^2
    (1.0011x-0.15634)^2+(1.0011*((1-x^2)^0.5)+0.75098)^2=0.4945^2
    (1.0011*(sqrt(1-x^2))+0.75098)^2=0.4945^2
    (1.0011x-0.15634)^2+(1.0011*(sqrt(1-x^2))+0.75098)^2=0.4945^2
    (1.001x-0.15634)^2+(1.001*(sqrt(1-x^2))+0.75098)^2=0.4945^2
    (1.001x-0.15634)^2=0.4945^2
    (1.001x-0.15634)^2+(1.001*(1-x)+0.75098)^2=0.4945^2
    2x=3
    30000+x-（30000+x）÷300×40=30000

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