Mathematics
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    sin30
    sin79.755
    sin79.6
    sin79
    120÷3.6
    tan(arccos0.77)
    tan(arccos0.63)-tan(arccos0.92)
    tan(arccos0.77)-tan(arccos0.92)
    6×2/3
    2/3/6
    2^7
    2^3
    !(5)
    1065×(tanarccos0.839-tanarccos0.9)
    1702.4*0.24
    1702.4*0.24
    1702.4*24%
    1702.8*24%
    922.5×(tanarccos0.8-tanarccos0.9)
    404×(tanarccos0.8-tanarccos0.9)

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