Mathematics
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current location:Mathematical operation > History of fraction calculation
    8/9×1/12
    8/7×2/4
    5/5+6/5
    7/6*6/7
     2/15×2/15
    2/35÷3/7
    3/7×2/15
    5/8*4/15=
    1/2*1/3
    1/2÷1/3
    31/90*5/4
    9/10-5/9
    4/1*9/20
    4/1*7/20
    13/12➗5/6
    13/12➗6/5
    13/12➗5/5
    1/4×1/5
    14/2+6/7
    3/7+1/9

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