Mathematics
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current location:Mathematical operation > History of Mathematical Computation
    arctan(1/3)
    arctan4/5
    32÷50
    -1-51×(-1)2-4÷(-½)
    arctan(1/10)
    1+1
    (!(5))/(!(3)*!(2))
    C(3,5)
    C(3,5)
    !(114514)
    A(114514,2)
    A(114514,54188)
    A(1,2)
    log(3,27)
    abs(114514)
    abs(-3)
    1-(-√2÷2)^2
    (-√2÷2)^2
    -√[1-(-√2÷2)^2]
    -√2÷2

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