1+x/2+1-x/3≥1
    4×t*2+24×t+11<0
    4×t*2+8×t-5<0
     -4082750+3000000+W-W*10%/4-450000 >= 300000
     -78698 + 70000 + w - w * 0.02 - 1750 >= 8000
    -78698+70000+w-w*0.02-1750>=8000
    2F*（141*sin10.2+303.74*cos10.20）＞3900×149.9
    3720*144.75≤2*F*cos75*137.57+2F*sin75*304
    3720*144.75≤2*F*cos75*137.57+2F*sin75*304
    3720*170+2F*sin54.71*54≤2*F*cos54.71*330
    3900*106.05+2*F*0.84507526*31≤2*F*0.53464737*365
    3/2 x^2-30 x+180<24
    2a²+3≥a+4
    （0.5y）+［0.7（10-y）］≥23
    -6000+X-Xx1%-8000x1%>0
    x(ln(x)-1)<=-1
    (x+88)*0.3*2.25+(x+88)*0.7 < x*0.2*3+x*0.8
    (x+88)*0.3*2.25+(x+88)*0.7 < 1.3x*0.2*3+1.3x*0.8
    2X+3＜5 3X-2小于4（X+1）
    15a+16(200-a)≤2120

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