1194497000＝13.8×1100×x×（980-x/2）
    10x=X+3+（X+3）*24
    6/x-8/x=2
    82+4.5x=100
    2.98x²-1.596x+0.0198＝0
    8x²+2/x+5
    8x²+5/2X+2
    0.25x^6+1.25x^4+x^2-25=0
    x^2-2.42x+1.092
    5.2842=（（28.02*0.639（x+0.1））/（1+0.639（x+0.1））*（（100-6.66-1.14）/100）*（1/(1+0.31*1.14)）+（（0.76（x+0.1））/（1.3*0.101325））
    3t^2-24t+32=0
    e∧x
    2d^3+11d^2+20d+8=0
    15.2=((0.01*x^1.85+0.25*1042.05)^0.5)*x^0.78
    152=((0.01*x^1.85+0.25*1042.05)^0.5)*x^0.78
    152=(0.01*x^1.85+0.25*1042.05)^0.5*x^0.78
    152=(0.01*x^2.63+0.25*1042.05*x^0.78)
    xxx+x-2=0
    x=98350+0.01x+(0.01x*0.1)
    x/0.05×2=4500-x/0.02×4

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