X²-7abs(x)+10≤0
    x^2+1<0
    x^2+1<0
    lnx＞x-1
    x^2>2x+1
    326.86055+1010.10418X>330
    41.90369-40.66421X>34
    41.90369-40.66421X>34%
    326.86055+1010.10418X>330 41.90369-40.66421X>34%
    [(2-t)^3-t^3]*t*(2-t)^2<0
    x2+8x-1>=-1
    -a-1-sqrt(8a+8)/2>-12
    -a-1+sqrt(8a+8)/2<-1.5
    lnx+3<0
    -2x²+4x-3≤0
    2x²+4x-3≤0
    2x² -11x+2＜0
    2x²-5x+2＜0
    2x²-11x+2＜0
    (5a-3(6-a)/5)/2-(6-a)/5>0

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