Mathematics
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current location:Mathematical operation > History of fraction calculation
    91/1000-1/550
    899/9900+19/99000
    91/1000-19/99000
    91/1000-19/99000
    1126/12375+1/99000
    91/1000-1/99000
    91/1000-1/99000
    9/100+1/1000
    17/180-1/225
    17/180-1/225
    89/900-1/225
    17/180+1/225
    17/180+1/225
    1/20+2/45
    5/99-1/1980
    989/19800+1/1800
    5/99-1/1800
    5/99-1/1800
    989/19800-47/49500
    337/6600-1/900

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