Mathematics
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current location:Mathematical operation > History of Mathematical Computation
    arctan(-3.00713394)
    5/12+1
    arctan(1/7)
    (ln5×ln3×ln2×ln2)÷(ln2×ln2×ln3×ln5)
    sqrt289
    2ln4-1/4
    arctan√160
    arctan√160
    arctan4√10
    {[16/18: (2/3)^2 ]^3 * (5/2)^6 }^2: ( 5/3)^10
    {[16/18: (2/3)^2 ]^3 * (5/2)^6 }^2: ( 5/3)^10
    5%+1.3*(12%-5%)
    5%+1.3*(12%-5%)
    240÷30
    194÷40
    476÷50
    508÷60
    490÷7
    490÷70
    490÷70

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