0.4374497/(5.99-x)+1.037088/(2.34-x)+0.4463/(1-x)+0.0160648/(0.43-x)=0.1
    X^3-5X^2+6X-1=0
    sinπx/2
    0.3x^2-4x+15＝0
    0.3x^2+4x+15＝0
    X=80140-(480+17.8%)
    X=71198-(480+17.8%)
    X=86102-(480+17.8%)
    sqrt(2)*x/2+sqrt(2)*x/(4+2*sqrt(3))=30*sqrt(3)
    X^2+6X+10
    96/x＋72/6x=27
    x^2+30x-9=0
    x-865228-12924-(x/10000*58.51*12)-(x/.85*.01)=0
    x^2-36x+325=0
    865228=x-x*58.51*12-12924-x/.85*.01
    x^2-36x+320=0
    700（x+1）^2=1008
    5x^2+11x-67=0
    sin(2x)+0.4*3.14-2x=0
    K=2334+70.02+0.01K+77.48+0.0003K+496.3+0.0021K+0.0529K

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