Mathematics
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current location:Mathematical operation > History of fraction calculation
    1/3+1/2
    1/9+2/9
    1/6-1/18
    1/60+3/20
    1/20-1/30
    11/1950+1/50
    1/39-1/50
    741/37000+7/1000
    741/37000+7/1000
    1/50+1/37000
    27/1000-7/1000
    1/36-7/9000
    1/50+1/450
    1/99+4/495
    1/99+4/495
    1/30-1/330
    1/30-1/330
    1/50+3/1100
    1/50+3/1100
    1/50+3/1100

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