Mathematics
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current location:Mathematical operation > History of Inequality Computation
    30.456*n*n*n/6+801.498*n*n/6-642.7988*n-6261.392344>0
    146.98×10^6≤13585000x-7150x^2
    146.98×10^6≤715000x-1430x^2
    872.47×10^6≤13585000x-7150x^2
    872.47×10^6≤715000x-1430x^2
    2(5/4)^x+5(4/5)^x>7
    -x/(1+3%)*3%=66.37
    3-6x+x∧2+19<0
    3-6x+x∧2<0
    x∧2-4x+3≥0
    abs(x-2)<3
    -X>-1
    ((1+sinx)/((1-sinx)-1)/(2*sqrt((1+sinx)/(1-sinx)))>tanx
    (((1+sinx)/((1-sinx)-1)/(2*sqrt((1+sinx)/((1-sinx)))>tanx
    (((1+sinx)/(1-sinx))-1)/(2*sqrt((1+sinx)/((1-sinx)-1))>tanx
    m*m+5*m+6>0 (m*m-m-6)/(m+3)<0
    18a<=2000
    160.9<=14.3*x(0.6-0.5x)
    3x+2<1
    (n-1000)^140/(n-1001)^140*(n-1)^150/n^150>=1

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