x+6/x＝√3
    √2m×m=-m×m+3m
    4x^3-13x+8=0
    (x-800)x0.8+800=1760
    3a-2/a-2-a-1/a²-8a+16/a-2
    x-4747440=0.1x/1.05*0.05
    (17+x)/(33+x)=3/5
    x+（x÷11.3）=212000
    (x+3)*(x-5)=(x-5)
    x/5=x-76
    55.2+64+（21－x）*4.3＝（50+24+6.5x）/1.5
    3^x=x^9
    （X-41185）/41185*100%=4.1%
    (11-x)x=30
    11x-x*x=30
    4*k*k*k*k*k+3*k*k*k+k/4*k*k*k*k+3*k*k+1
    x*6.3%=(x-8980000)*25.6%
    7600/(x+101*0.12)+17500/x=150
    xtan0.5x=2.83
    5x+x/5=52

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