Mathematics
语言:中文
Language:English

current location:Mathematical operation > History of fraction calculation
    17/20-1/10
    11/60+2/3
    1/10+1/12
    496/495-1/495
    893/990+1/10
    1621/1980+1/12
    131/180+1/11
    37/60+1/9
    5/12+1/5
    1/6+1/4
    991/3000+3/1000
    33/100+1/3000
    3/100+991/3000
    3/100+991/3000
    33/100+1/3000
    109/330-1/3300
    109/330+1/3300
    4/5+6/7
    1/10+1/90
    7/10-1/5

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