Mathematics
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current location:Mathematical operation > History of fraction calculation
    1/2-1/10
    1/5-1/17
    5/4+4/5
    4/5+3/6
    3/10*4/5
    1/8*1/4
    1/8+1/4
    1/260-1/360
    1/10*1/3
    3/4+3/4
    4/3+4/3
    16/21÷2/21
    1/5+1/9
    1/9-1/7
    5/8+1/3
    5/9+7/8
    3/10+1/4
    3/10+1/4
    1/2+5/6
    3/5+5/3

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