(8.94^2)*(2.5+2*x)/(9.81*(2.5*x+x^2)^3)=1
    v(3/4+17/12)=26
    a+67%+103%=250%
    q/36%=450%
    7f/9=14/3
    124%+d=2.3
    8.4j=8.82
    0.565945*(2sqrt(x/2)+sqrt(2*x))^(2/3)=x^(5/3)
    t+1.4=2.5-0.9
    m/2.6=1.5
    x+1=1
    w+72%=105%
    3.2k=1.76
    d-5/8=2/5
    n-3.4=1.6
    3X^2+12X+8=0
    a/10%=8
    0.2x+x＝12
    330×3041=11.5×990×x+330×452
    0.2x+x12

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