Mathematics
语言:中文
Language:English
current location:Mathematical operation > History of Inequality Computation
    x1^2+x2^2+14*x3^2+7*x4^2+6*x1*x3+4*x1*x4-4*x2*x3+2*x2*x4<0
    ((8-8x)^(1-x))*(40x)^x>(7^(1-x))*(30)^x
    (((8:7)*(1-x))^(1-x))*(40x)^x>(7^(1-x))*30^x
    -x*-7x+8>0
    6x+5>3-x+2
    x*x*x-3x-2>0
    (3x-2)(x-6)≤0
    2x-3>-1
    2x-3<1
    (x-3)(x+2)≥0
    X+2≥0
    18a+9(50-a)≥【60a+40(50-a)】*0.25
    (n-2)*180/n<150
    x^3-3x-2<0 x>0 x^2-1<0
    x^3-3x-2>0 x>0 x^2-1>0
    x^3-3x-2>0
    1/(x+1)+x−1>0
    ((1+x)^7-1)/(x*(1+x)^7) <4.16
    ((1+x)^7-1)/(x*(1+x)^7)<5
    ((1+x)^7-1)/(x*(1+x)^7) >2.5

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