Mathematics
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current location:Mathematical operation > History of fraction calculation
    7/4+4/7
    3/4-11/6
    1/3×6/5
    2/3+4/3
    1/2×1/3
    2/9+4/5
    5/7+2/7
    1/2+1/2
    1/4+1/4
    3/1+4/1
    1/4+7/9
    1/3*7/1
    2/3*3/2
    2/3-3/2
    1/3×1/3
    1/39-1/29
    1/3-1/5=
    8/6+9/6
    5/58+25/67
    5/7+7/9

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