(5+x)/(6-x)＜(3-x)/x
    x-9≤5/x＜7
    1641140.696+315089Y(237169Y^2-1129514.88+896469.6Y)=0
    1641140.696-315089Y(237169Y^2-1129514.88+896469.6Y)=0
    1637170.704+0.647-315089Y(-237169Y^2+1129514.88-896469.6Y)=0
    1637170.704+0.647-315089Y(237169Y^2-1129514.88+896469.6Y)=0
    1637170.704+0.647-315089Y(237169Y-1129514.88+896469.6)=0
    6136^3*366*0.9^3+647*0.1^3-647*487^3*Y^2-3*6136^2*0.1^2+3*6136*0.1*487*Y=0
    6136^3*366*0.9^3+647*0.1^3-647*487^3*Y^3-3*6136^2*0.1^2+3*6136*0.1*487*Y=0
    10070039310.656+315089Y(237169Y^2-1129514.88+298823.2Y)＞0
    10070039310.656-315089Y(237169Y^2-1129514.88+298823.2Y)＞0
    61640289042269.184+0.647+315089Y(237169Y^2-1129514.88+298823.2Y)=0
    61640289042269.184+0.647-315089Y(-237169Y^2+1129514.88-298823.2Y)＞0
    61640289042269.184+0.647-315089Y(237169Y^2+1129514.88-298823.2Y)＞0
    61640289042269.184+0.647-315089Y(218089Y^2-1129514.88+298823.2Y)＞0
    Y[61640289042269.184+0.647-315089Y(237169Y^2-1129514.88+298823.2Y)]＞0
    61640289042269.184+0.647-315089Y(237169Y^2-1129514.88+298823.2Y)=0
    61640289042269.184+0.647-315089Y(237169Y^2-1129514.88+298823.2Y)＞0
    61640289042269.184+0.647-315089Y(237169Y^2-1162649.28+298823.2Y)＞0
    Y（61640289042269.184+0.647-74729343041Y^3-1162649.28+298823.2Y）＞0

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