（126035-1.1X）*10.8/23.8*0.9=9X
    405*（1+X）^3=435
    9A^2+888=444444
    x^3+6x^2+11x-114=0
    (x+1)(x+2)(x+3)=120
    (x+1)(x+2)(x+2)=120
    76.14=（（0.021*x^1.85+47.8）^0.5）*x^0.84
    x^2+5x-12
    （4802532+x）/（6662942+x）=0.73
    （4802532+x）/（6662942+x）=73
    0.5X-X/0.2/12.5=100000
    2B=36-3B
    786*42+X*143=150582
    （27.776+x）×2.95＝55.552+77.128-x
    （27.776+x）×2.75＝55.552+77.128-x
    （27.776+x）×2.55＝55.552+77.128-x
    （27.776+x）×2.35＝55.552+77.128-x
    （27.776+x）×2.15＝55.552+77.128-x
    79x+90(1-x)=83
    6X*0.5+3X*0.5=9

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