Mathematics
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    1440*(tan arccos0.85-tan arccos0.92)
    61*3145189*15636684.431
    61*3145189*15636684431
    7*157*3257*6961*12040213
    7*157*3257*6961*120402.13
    757*7639*1556360213+1
    757*7639*1556360213
    13.8×1600×69.66÷330
    13.8×1600×82.06÷330
    10+10=
    834413.48*(1+5%)
    31758800*(1+5%)
    5000000*(1+3%)
    3.2*(1+20%)/(1+2.2%)
    arctan(2/3)
    arcsin0.5728
    sin21
    sin21
    arcsin(5/8)
    arcsin5/8

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