Mathematics
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current location:Mathematical operation > History of fraction calculation
    1/3+2/5
    (1/3+2/5)
    1-(1/3+2/5)
    11/12-3/8
    7/8-5/7
    3/10+7/12
    9/16+7/8
    7/8+3/4
    1/2-3/8
    7/15-2/5
    2/3-4/9
    1/2+5/6-0.25*1.5
    3.15 = 1.96×10^6×{1+(11.8×213-7×10^4×d×13.0928)/(23×213-10^5×d×13.0928)}×(213/d^5)×0.79×(288/273.15)
    1/2*4+4x=72
    4403+x-60/4564+x=0.98
    3-x+1=x-4
    [(3-x)/x-4]-[1/(4-x)]=1
    (1/4-x)-(3+x/x-4)=1
    1/4-x-3+x/x-4=1
    1/2+5/9

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