1.2*X=X+3000
    -100*0.0917*exp(-0.0917*x)+2*((100*0.0917*0.7116)/(0.02152-0.0917))*(-0.0917*exp(-0.0917*x)+0.02152*exp(-0.02152*x))
    -0.1108*100*exp(-0.1108*x)+2*((100*0.1108*0.7854)/(0.02758-0.1108))*(-0.1108*exp(-0.1108*x)+0.02758*exp(-0.02758*x))
    0.7*x^2-1.5*x+1=0
    11.84x^(3)+35.3424x^(2)-534.576x+309.44
    tan（x）-x=3.25
    0.7*x^2-1.7*x+1=0
    ((100*0.1108*0.7854)/(0.02758-0.1108))*(-0.1108*exp(-0.1108*x)+0.02758*exp(-0.02758*x))
    ((100*0.1108*0.7854)/(0.02758-0.1108))*(-0.1108*exp(-0.1108*x)-0.02758*exp(-0.02758*x))
    ((100*0.0917*0.7116)/(0.02152-0.0917))*(-0.0917*exp(-0.0917*x)+0.02152*exp(-0.02152*x))
    ((100*0.08165*0.7049)/(0.02261-0.08165))*(-0.08165*exp(-0.08165*x)+0.02261*exp(-0.02261*x))
    （184.3+3.1x）=3（103.8+x）
    4.905*t^2+15*t-46=0
    ((100*0.07153*0.6615)/(0.02018-0.07153))*(-0.07153*exp(-0.07153*x)+0.02018*exp(-0.02018*x))
    ((100*0.06866*0.6678)/(0.02295-0.06866))*(-0.06866*exp(-0.06866*x)+0.02295*exp(-0.02295*x))
    （x+1）（x-5）x-84-9(x-5)-49(x+1)-4x=0
    ((100*0.06318*0.6412)/(0.0244-0.06318))*(-0.06318*exp(-0.06318*x)+0.0244*exp(-0.0244*x))
    4.905*t^2+15*t-96=0
    ((100*0.06318*0.6412)/(0.0244-0.06318))*(-0.06318*exp(-0.06318*x)+-0.0244*exp(-0.0244*x))
    x-3+5

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