x+4/2-x/2
    (11.45×17.07)/(17.2×10)=
    64x^(3)+49x-49=0
    (11.45×17.69)/(15.15×10)=
    (11.45×17.63)/(14.35×10)=
    5-3（x-2）≥x-1
    6*x^x-5*x=0
    x^(2)=-1
    (11.45×17.09)/(16.35×10)
    43+x=3（11+x）
    x^2-26*x+144=0
    x^2-5x-2=0
    ([(61+2)×2+(148+2)×2])/15
    edgy
    (61×148)/629.19=
    √9519100664.45
    120×3.14×0.225×5×〖3.27〗^(1/3)
    1.366×3.27×((2×12.99-12.9)×12.9)/(lg(228.66/60.51))=
    168.15+60.51=
    1.158×(61+148)/4=

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