sin70
    13471*(1+46.6%+40%+40%+41.3%)+4780 13471*(1+46.6%+40%+41.3%)+4780 744*(1+0.4)+311 744*(0.4)
    13471*(1+46.6%*2+40%+41.3%)+4780 13471*(1+46.6%+40%+41.3%)+4780 744*(1+0.4)+311 744*(0.4)
    13471*(1+46.6%*2+40%+41.3%)+4780 13471*(1+46.6%+40%+41.3%)+4780 744*(1+0.4)+311
    13471*(1+46.6%*2+40%+41.3%)+4780 13471*(1+46.6%+40%+41.3%)+4780
    1/6+(6-1)/6=
    sin3.141592653589793238462643383279502884197169399375105820974944592307816406286208998628034825342117067
    lge
    lgtan-90
    lgtan90
    lge50
    tane180.0000000000000000000001
    tan180.0000000000000000000001
    tan180
    sin180/tan180 cos180
    10/cos(0.297)
    tan67
    tan67
    4000*((1-(1+0.1/12)^(-27))/(0.1/12))-4000*((1-(1+0.1/12)^(-3))/(0.1/12))
    log(1000000，5000000)

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