Mathematics
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current location:Mathematical operation > History of Mathematical Computation
    2:3
    200*2:3
    280*(1-cos60)*sin8
    300*(1-cos60)*sin9
    280*(1-cos60)*sin9
    230*(1-cos60)*sin9
    230*(1-cos60)*sin8
    230(1-cos50)sin6
    230*(1-cos50)sin6
    230*(1-cos50)*sin8
    230*(1-cos60)*sin6
    230*(1-cos50)*sin6
    280*(1-cos50)*sin6
    280*(1-cos50)*sin4.5
    280*(1-cos50)*sin8
    280*(1-cos50)*sin7.5
    280*(1-cos60)*sin7.5
    350(1-cos60)sin7.5
    (1-cos60)sin12
    31÷32

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