x^3=1
    t^2-6t-11=0
    0.25*x*x+x+1=0
    2*x*x+x+1=0
    x*x+x+1=0
    -x*x+2*x+1=0
    x*x-2024*x+2023=0
    0.75x+4/5=3
    2*a*a+5*a=-3
    1.56=(50.24-156.19+x+((50.24-156.19+x)/(14+134))*(-254)+25.77)/(14+134-254+74)
    a*a+a=2
    A=29498400+861696+10000000*0.005+20000000*0.002+(A-30000000)*0.0015+A*0.0672
    x + x^2 = 96
    A=13881600+10000000*0.5%+(A-10000000)*0.2%+56448+(A-13881600)*6%+A*0.72
    3^a=a^9
    5X+15=7X-1
    1143*(tant(arccos0.84)-tant(arccos0.92))=
    1143*(tant(arccos0.84)-tant(arccos0.92))=
    tant(arccos0.84)-tant(arccos0.92)=
    639360=x（1400-0.5x）

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