－2x^2＋130x－800≥0
    －2x∧2＋130x－800≥0
    －2x2＋130x－800≥0
    log（2，2x-2）＜log（2，2X）
    （2-x)/(2+x)≥3
    0.625x^2-1-0.25x>0
    1.8+0.19x<4
    4-0.25x+5.8+1.8+0.19x>0
    4+0.25x-5.8+1.8+0.19x>0
    4-0.25x-5.8+1.8+0.19x>0
    4+0.25x+5.8+1.8+0.19x>0
    2+0.25x-2.9+0.9-1.35x>0
    2+0.25-2.9+0.9-1.35>0
    0.44-1.78x<2
    2-0.25x+1.89+0.44-1.78x>0
    2+0.25x-1.89+0.44-1.78x>0
    x>1*8+9
    x-1＞2x
    2x^2-x-3≤0
    0.3=9

Home page << page8 page9 page10 page11 page12 ... ... page23page page24page page25page page26page page27page >> Last page 1275 pages in total