2x^2+4<65
    2x^2-4>-7
    x（x-1）＜6
    x+1>9
    -4114150+3000000-450000+x-x×10%/4≥300000
    (10542.4m^2-1945.6m+432/m+768/0.1+3055.5*0.1+2218.44)/(29.64m+12*0.1)-6*(48146.1m^2+767.96*0.1^2+11381.8m/0.1+2592*0.1/m+56243.2m-32372.9*0.1-26295.8*m*0.1-117697.6)/（29.64m+12*0.1）^2≤120
    (10542.4m^2-1945.6m+432/m+768/0.1+3055.5*0.1+2218.44)/(29.64m+8.4)-6*(48146.1m^2+767.96*0.1^2+11381.8m/0.1+2592*0.1/m+56243.2m-32372.9*0.1-26295.8*m*0.1-117697.6) ≤ 120
    (10542.4m^2-1945.6m+432/m+5454.3)/(29.64m+8.4)-6*(48146.1m^2+767.96-0.7^2+11281.8m/0.7+2592*0.7/m+56243.2m-32372.9*0.7-26295.8*m-117697.6)≤120
    (10542.4m^2-1945.6m+432/m+5454.3)/(29.64m+8.4)+6*(48146.1m^2+767.96-0.7^2+11281.8m/0.7+2592*0.7/m+56243.2m-32372.9*0.7-26295.8*m-117697.6) ≥ 0
    7379.7m^2-2158.1m+302.4/m≥15771.125
    -3≤m+1
    -3x＞-3÷x
    (-2m-2+sqrt(8m*m+4m+4))/(2m-2)<3
    x＾2-0.56x-0.1025<0
    x＾2-0.56x-0.0975>0
    7000<=80a+50(100-a)<=7200
    12/(x+2)>-1.5x+6
    168-x-x×10%/4×3≥30
    -12000+x-x*8%/4≥3000
    4000*12+6000*12*（x+2） <7000*12*x

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