1<3x-3-x+2<５
    3x-3-x+2<５
    x-1<=0 2x+5>3
    x^2+2x-3>0
    (5-x)/2＞1/3
    3901.13－278.65×（2h*h+5.4h+1.645）≤0.7×1.0×1.71×1000×（3h+5.4）h
    3901.13－278.65×（2h*h+5.4h+1.645）≤0.7×1.0×1.71×103×（3h+5.4）h
    -19.8x/392.04＜-1
    （1214.80+686.025*x+212.89*x^2+11.5*x^3）/(2449.62+591.5622*x+12.74*x^2+x^3*23/18)>1
    （1214.80+686.025*x+212.89*x^2+11.5*x^3）/(2449.62+591.5622*x+12.74*x^2+x^3*23/18)>1.2
    （1214.80+686.025*x+212.89*x^2+11.5*x^3）/(2449.62+519.5622*x+12.74*x^2+x^3*23/18)>1.1
    （1214.80+686.025*x+212.89*x^2+11.5*x^3）/(2449.62+519.5622*x+12.74*x^2+23/18*x^3)>1.1
    （1214.80+686.025*x+212.89*x^2+11.5*x^3）/(2449.62+519.5622*x+12.74*x^2+23/18*x^3)>1
    （1214.80+686.025*x+212.89*x^2+11.5*x^3）/(2449.62+519.5622*x+12.74*x^2+23/18*x^3)>1.2
    （1428.30+593.79*x+212.89*x^2+11.5*x^3）/(2449.62+661.7312*x+12.74*x^2+23/18*x^3)>1.2
    （1214.80+593.79*x+212.89*x^2+11.5*x^3）/(2449.62+661.7312*x+12.74*x^2+23/18*x^3)>1.2
    5x+5>2-2x
    (3-x)÷5≤(1-x)÷4
    -3＜2（1+2x）/3≤6
    x+150-x<200

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