85<=(83+87x)/3<=90
    3(2+x)>=2(2x-3) [1/3(4-x)]<=5
    7(x-1)<4x+3 6(0.5x+1)>=2x-5
    -3/2<=(5/6)w-3/4<=2
    (y-2)/2-5<=3 (1+2y)/3>=41
    2x-3(x-1)<2 2/x+5>=x
    2x3(x-1)<2
    3>-0.25v>-2.5
    3r+2<5 7r-10>60
    3+2<5 7r-10>60
    5z+3<-7 -2z-6>-8
    4<=y+2<=-3(y-2)+24
    9-c<2 -3c>15
    3d+3<=-1 5d+2>=12
    (11/4)+(1/4)k>=-3
    3>(11/4)+(1/4)k
    -0.3x小于1.5
    -3x小于1.5
    -1<1-x
    -2a>1

Home page << page1019 page1020 page1021 page1022 page1023 ... ... page1034page page1035page page1036page page1037page page1038page >> Last page 1275 pages in total