Mathematics
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current location:Mathematical operation > History of fraction calculation
    5/6-3/4
    3/7*4/5
    5/6-3/4
    1/4+1/6
    4/5-1/4
    4/5-1/4
    3/4+1/6
    3/4减1/2
    3/4加2/5
    2/7+1/2
    9/8+5/7
    9/8+5/7
    4/7+2/3
    30/34+4/3
    1/2-1/512
    2/3÷4/9
    3/8-2/11
    7/9-3/5
    7/9+3/5
    7/8-3/7

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