(1 + g) * 10328/(9%-g)= 377639
    (1 + g) * 10328/(8.32%-g)= 377639
    x=2，sin3x/1-cosx
    -1/9（x-6）²+4=2.5
    1/8 x²+15x-250=0
    1.03*10^（-7）*36*36=x(0.0042+2x)(0.0042+2x)
    1+x*2
    x^2+(3x-8)^2=10
    （92+x）÷158=0.618
    20(30+t)/60=40t/80
    (0.75x+1)^2+(0.75x-3)^2=10
    66÷（92+x）=0.618
    x^2-3=1
    30+t/3=t/2
    8x∧2+x-1＝0
    4x∧2+x-1＝0
    297/420=50/x
    3（3x/2）/2=26
    3（3x/2）/2
    3x/2=26

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