6x-2(20-x-1)>=70
    (1+x)/2<=(2x-1)/3+1
    (7.8-8x)/12-(5x-10)/3<=(1.3-3x)/2
    20*8+18x≤400
    0.6x+1.1(80-x)≤70
    (1-2x)/0.2<=(1+5x)/0.5
    9x+4(50-x)≤360
    703.02*n-549.68+(311941.35*n^2+42377.69*n^3+1380.75*n^4)/(1934.76+157.38*n)>1.2*[(85997.63*n^2+4119.31*n^3+47.39*n^4)/(1015.86+29.25*n)]
    -(x+1)/6<1+(x-1)/3
    (2x-5)/16>=(4x+5)/2
    2-x<1
    3x<2x-3
    -2x≤6
    3(x+3)-2(2x-1)>1
    (x-1)/3-(x+4)/2>-2
    1/2x>-3
    6x-2-5x+5≥0
    2x-2-5x+5≥0
    2(x+1)-12≥3(2x-5)
    (x-3)/2<1/3-2x

Home page << page723 page724 page725 page726 page727 ... ... page738page page739page page740page page741page page742page >> Last page 1275 pages in total