1.5x+x+｛（1.5x+x）/2-280｝=5000
    400x^2-400x^4-1=0
    5x×4=7x×2.5
    （400—x）*（8+2x/25）=4800
    X-7920=0.3938X
    （x-7920）/x=39.38%
    X²-2x-3=0
    4x²-x-9=0
    x^4-399x^2-400=0
    x(2x+1)＝3
    x^4-4x^2+2=0
    2x^4-3x^2+2=0
    arctan0.02x=24
    cos（-x）
    14t^2-120t十465=0
    Xx1.3=13
    (0.0002-x)(0.0003-1.5x)^1.5=(0.00005085-x)(0.00019915-1.5x)^1.5
    (0.0002-x)(0.0003-1.5x)^1.5=(0.00005-x)(0.0002-1.5x)^1.5
    (15.9*10^5+0.432/x^2)[x-0.0371*10^(-3)] = 8.314*348.15
    (15.9*10^5+0.432*300/17*300*17/x^2)[x-300/17*0.0371*10^(-3)]=300/17*8.314*348.15

Home page << page957 page958 page959 page960 page961 ... ... page963 page964 page965 page966 page967 >> Last page 31249 pages in total