Mathematics
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current location:Mathematical operation > History of Mathematical Computation
     (-x2/50) + 10x - 300 =0
    (-2x)^4+(-2x^2)^2
    a^2=2.6×(1-a)(4-a)
    8x^2-26x+13=0
    (1*120+0.8*50)/(0.9*120+0.6*50)
    (1*70+0.8*60)/(0.9*70+0.6*60)
    (1*70+0.8*60)/(0.9*7+0.6*60)
    6368.5+6553.2+6833+7081.3+7117.6=
    sin144
    sin27
    cos144
    sin144
    arccos0.15
    arcsin0.15
    arcsin0.8
    sin0.8
    (15+X)/(5+X)=2
    130000(1+x)^20+130000(1+x)^19+130000(1+x)^18+130000(1+x)^17+130000(1+x)^16 = 1085376
    s^3+s+1=0
    -6-x+3x^2-0.5x^3

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