Mathematics
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    1421022*2
    (225.8×〖3.3〗^2)/8
    sin2 cos2 tan2
    sin2
    sin12345
    tan12345
    tan12345
    -arctan0.25-arctan0.5-arctan16.5+arctan5+90
    90-arctan0.118-arctan0.236-arctan85.05+arctan5
    arctan20√5
    2^(1/3)*6+3*4^(1/3)
    2^(1/3)*6
    2^(1/3)
    2^(3)
    125*75
    123456789*123456789
    700/1.4
    0^-1
    0^0
    (-1)^(1/5)

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