Mathematics
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current location:Mathematical operation > History of Mathematical Computation
    arccos(-0.9592)
    arccos(817/1300)
    arccos(1630/1728)-arccos(56.775/72)
    arccos(1630/1728)-arccos(2694/3744)
    arccos(1630/1728)-arccos(71.08/72)
    arccos(12.84/72)-arccos(71.08/72)
    arccos(2694/3744)-arccos(4542/5760)
    arccos(23/24)
    arccos(107/600)
    lg5
    arccos(7/28)
    arccos(-0.1)-arccos(13/14)
    arccos(27/28)
    arctan0.1
    arctan2
    arctan100
    arccos(13/14)
    arccos(-0.1)
    720+720/(1-10%)×[(70%+20%)×(1+20%)+15%]
    720+720/(1-10%)×[(70%+20%)×(1+20%)+15%]

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