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
    x^2+2x>3
    √2m+2<2
    130=<18x+26*（6-x)=<140
    40000:x≤150
    30000:x+10000:（x+6.6）≤150
    x²－2xlnx＞0
    x²－2lnx＞0

Home page << page10 page11 page12 page13 page14 ... ... page25page page26page page27page page28page page29page >> Last page 1275 pages in total