X^3-（85.25-1.3167×25）×X^2-1.640625×32.20^2 = 0
    X^3-（85.25-1.3167×0）×X^2-1.640625×30.55^2 = 0
    X^3-（85.25-1.3167×5）×X^2-1.640625×30.55^2 = 0
    X^3-（85.25-1.3167×20）×X^2-1.640625×30.55^2 = 0
    X^3-（85.25-1.3167×45）×X^2-1.640625×30.55^2 = 0
    X^3-（85.25-1.3167×0）×X^2-1.640625×30.30^2 = 0
    X^3-（85.25-1.3167×20）×X^2-1.640625×30.30^2 = 0
    X^3-（85.25-1.3167×25）×X^2-1.640625×30.30^2 = 0
    X^3-（85.25-1.3167×45）×X^2-1.640625×30.30^2＝0
    X^3=8
    X²➕X＝68
    arctan sinx/1+cosx
    arctan sinx/1+cosx
    64429.34-X*0.03%+(X+X*0.03%)*25%=X
    64429.34-X*0.0003+(X+X*0.0003)*0.25 = X
    64429.34-X*0.03%+(X+0.03%)*25%=X
    1+2x=2
    50701.38-X*0.0003+(X+X*0.0003)*0.25 = X
    64209.76-X*0.0003+(X+X*0.0003)*0.25=X
    2x/x+4

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