X^3+（397.80+1.3167×（-10））×X^2-26.25×40.3^2 = 0
    X^3+（397.80+1.3167×（-10））×X^2-26.25×42.990^2 = 0
    X^3+（397.80+1.3167×15）×X^2-26.25×42.990^2 = 0
    X^3+（397.80+1.3167×25）×X^2-26.25×32.20^2 = 0
    X^3+（397.80+1.3167×20）×X^2-26.25×30.30^2 = 0
    X^3+（397.80+1.3167×20）×X^2-26.25×30.55^2 = 0
    X^3+（397.80+1.3167×5）×X^2-26.25×30.55^2 = 0
    X^3+（397.80+1.3167×0）×X^2-26.25×30.55^2 = 0
    X^3+（397.80+1.3167×0）×X^2-26.25×30.30^2 = 0
    X^3+（397.80+1.3167×25）×X^2-26.25×30.30^2 = 0
    X^3+（397.80+1.3167×45）×X^2-26.25×30.30^2 = 0
    5×（4+x）＝28+x
    3x-9=12
    2x-9=12
    2.2x^2-0.64x+0.032=0
    2.2x^2-1.28x+0.128=0
    X^3+（397.80+1.3167×45）×X^2-26.25×30.30^2 = 0
    tanx＝11
    x^3-14x^2+17x-196=0
    X^3+（397.80+1.3167×（-25）×X^2-26.25×30.30^2 = 0

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