Mathematics
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    π/2-arctan-125-arctan75
    π+arctan-125-arctan75
    π-arctan-125+arctan75
    π-arctan-125-arctan75
    π/2-arctan75
    π/2-arctan125
    arctan375-arctan-75
    arctan75-arctan-75
    arctan375-arctan75
    1/sin(1/7.66)
    (1.42-0.02/1.26-0.06)-1
    1.42-0.02/1.26-0.06-1
    200 / 4
    9sin(7*20+17)
    9sin(7*25+17)
    9sin(7*8+17)
    9sin17
    8.2%+9%+8%*9%
    (45.2+4.8)/1.13
    (1+8.2%)*(1+8.2%+0.8%)-1

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