Mathematics
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current location：Mathematical operation > History of Mathematical Computation
    65.85÷0.319504
    0.159752×2
    lg393700.787402
    lg350140
    lg3
    arctan5/8.66
    arctan5/8.66
    42/30÷7
    4/5÷6
    arctan220/110
    arctan220/110
    arctan(1/3)
    arctan2
    arctan(4/3)
    arctan(4/3)
    log0.82(4285)
    arctan(1/3)
    arctan(1/3)
    arctan1
    678/43

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