a-4+2-3a+30>0
    -(2-3a)/(2a-8)>=2
    600z-32000-68000>=(32000+68000)*0.2
    5z+9*3z<1000
    x-3x+3>-1
    x<(x-0.15)(1.15-x)+2(x-0.15)^2
    x<2(x-0.15)^2+2(x-0.15)(1.15-x)
    3/5×(√3)/4[(4/9)^n-(4/9)^(n+1)]≤1×10^(-6)
    (4^X)+4^(x-1)>=2
    (9^(n))/(4^(n))>3 (sqrt(3))/(4)*10^(6)
    150-2x>90-x
    150-2x＞90-x
    x2-65x-900≤0
    45a+(50-a)*75<=3250
    -1.8x^2+60x+10000≥10260
    2x^2-75x-325≤0
    4/(2x-1)>2/3
    x<(x-0.15)(1-x+0.15)+2(x-0.15)^2
    x
    3x^2-4x-8<0

Home page << page1070 page1071 page1072 page1073 page1074 ... ... page1085page page1086page page1087page page1088page page1089page >> Last page 1276 pages in total