2X减1/3小于等于3减5-x/3
    2X减1/3小于等于3减5/3减x
    3/8X加1小于5/8X加3/4
    3/2X加1小于5/8X加3/4
    x+x+20≥72 40x+18(x+20)≤2000
    x-1/6+3x-1/2 ≤3/2*x
    2x-3 ≤x+2
    3-2*(x-1)>1
    1/2x－3<－1
    15x+6>4x-2
    4x<-4
    4x<4
    3-a^2>0
    3a-a^3>0
    4x-30≥0
    (4x+4)/(3x-3)<0
    x-2(x-2)≤4 (2x+1)÷3-x>-1
    x-2(x-2)≤4
    2x^2+4x+2>0
    (x*0.08+920 )*5>( x*0.05+580) *7

Home page << page506 page507 page508 page509 page510 ... ... page521page page522page page523page page524page page525page >> Last page 1276 pages in total