Mathematics
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current location:Mathematical operation > History of fraction calculation
    3/100-1/100
    1/30-1/300
    1/30-1/300
    1/33+1/330
    1/30-1/330
    3/2200+1/100
    1/2750+1/1000
    18071/142700+16/100
    89/90+1/90
    45/2×5/2
    11/1000+1/2750
    43/45-1/45
    343/360+1/360
    101/120+1/9
    89/120+1/10
    37/60+1/8
    9/20+1/6
    3/4+4/7
    1/3+1/6
    1/30+3/10

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