-4082750+3000000+X-450000-X*10%/4≥300000
    -1<9a+13/5<=8
    1/1+x^2<=x<=x+1
    150a+120÷50×(3000-75a)≤6350
    3K*(K+2)>4
    x1+x2 ≤ 300 2x1+ x2≤400 x2≤250
    ln(a^2-4)<2-(a^2-4)^(1/2)
    1<6*(1/(10-x)*(9-x))
    lglgx+asinx≥-10000000
    (-8/x)<=x^2
    x<750
    （200*3+X）*30%>X
    （125*3+X）*30%>X
    a+0.0375+0.0125*(a/0.25-0.050575)*(a/0.25-0.050575)-(0.75-0.050575-a)/(0.25+0.050575+a)-(0.25+0.050575+a)/(0.25-0.050575-a)+3.8341648>0
    0.1*a+0.05*0.3*0.25+0.25*0.1*0.05*(a/0.25-0.050575)*(a/0.25-0.050575)-0.1*(0.75-0.050575-a)/(0.25+0.050575+a)+0.38341648 >0
    x^2-5x+6>0
    0.1*(0.75-0.050575-a)/(0.25+0.050575+a)-0.38341648>0
    A(lnx,x)-lnx≥10
    100*a+10*a*a>=6000
    100*a+10*a*a>=600

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