(x-93.75)/x=23%
    3s^3+18s^2+18＝0
    20/87+X/126-（75-X）/500=0.381
    16.2/(1+i)-14=0
    300x-3x=280+150x
    16.2/(1+i)-14=0
    (0.6252*0.07639*100)/(0.01777-0.07639)*(-0.07639*exp(-0.07639*x)+0.01777*exp(-0.01777*x))-0.07639*100*exp(-0.07639*x)+(0.6252*0.07639*100)/(0.01777-0.07639)*(-0.07639*exp(-0.07639*x)+0.01777*exp(-0.01777*x))=0
    7/18X-39:11/18x-39 =7:5
    (0.6252*0.07639*100)/(0.01777-0.07639)*(-0.07639*exp(-0.07639*x)+0.01777*exp(-0.01777*x))=0
    7/18x=11/18x减78
    7/18X-39:11/18x-39 =5:7
    (x-92.74)/x=23%
    7/18x-39:11/18x-39 =5:7
    7/18x-39:11/18x-39 =5:7
    3Q²-120Q+1200=0
    X-X/1.01*0.01-(X-X/1.01*0.01)*0.043=11854103.8
    X-X/1.01*0.01-(X-X/1.01*0.01)*0.043=15772583.92
    X-X/1.01*0.01-(X-X/1.01*0.01)*0.043=1300662.91
    3t^2+7t-20=0
     108/64+(x-5/4)^2+（2x^2+5x+2-9/8）^2=（x+2）^2+(2x^2+5x+2)^2

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