936.99963214x^5-45x^4+369.8521x^3-6x^2+968555.999x-14
    a(285a+1)(0.25a+1)(0.2a+1)+30(10a+1)=0
    x*143.32/74.55+(0.2841-x)*143.32/58.44=0.6057
    （0.00005-x）*（0.00045-1.705x）²=（0.000125-x）*（0.000375-1.705x）²
    x/0.7-x/2.75=70
    2√3=3x+√x²+4
    1/√3＝(x+√x²-4)/2
    x÷(608－x)=18
    0.4（10+x）=0.2（8+2x）
    x∧2（1+1/（x∧2））∧（3/2）
    x∧5+4×x∧4+7×x∧3+5×x∧2+3×x+1=0
    x+(360-x)=360
    5x²+5x-16＝0
    X/6-x/8等于2
    X/6-x/8
    (x-x/1.09*0.03)*0.02=3297270.8
    xxx-9xx+18x-1=0
    (x-x/1.09*0.03)*0.02=3297270.83
    ln（x+1)=3
    x^2+x=930

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