(449.093-429.193)*(775-667.79)/(1146.4-667.79)+429.193
    (449.093-429.193)*(750-667.79)/(1146.4-667.79)+429.193
    (449.093-429.193)*(720-667.79)/(1146.4-667.79)+429.193
    (449.093-429.193)*(700-667.79)/(1146.4-667.79)+429.193
    (449.093-429.193)*(680-667.79)/(1146.4-667.79)+429.193
    (449.093-429.193)*(670.204-667.79)/(1146.4-667.79)+429.193
    (429.193-427.293)*(660-600)/(667.79-600)+427.293=
    (429.193-427.293)*(640-600)/(667.79-600)+427.293=
    (429.193-427.293)*(620.204-600)/(667.79-600)+427.293=
    (429.193-427.293)*(428.185-600)/(667.79-600)+427.293=
    (429.193-427.293)/(667.79-600)=
    (449.093-429.193)/(1146.4-667.79)=
    arcsin5/8
    [3，(1-0.8)×18]
    2.38*(2.38*0.5+1)*(0.2*2.38+1)/10
    sin-90
    cos-90
    1.36*(1.36+1)(0.5*1.36+1)/10
    17.8×0.46×0.6=
    17.8×0.52×0.6=

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