x^2-3x≥0
    2X-1≥3 3X-2<7
    2X-1≥3
    (x-1)(x-3)≤0
    (x+1)(x+3)≤0
    2<0
    (x-2)(x-2)+(x+1)(x+1)<8
    （x+3）（x+9）/（x-1）>3x-5
    √9+x∧2+√x∧2-2x+2＞5
    5x∧2＋163x－1848≥0
    5x∧2＋183x－1502≥0
    √5+√x∧2-2x+2＞√9+x∧2
    √5+√9+x∧2＞√x∧2-2x+2
    ( x－40)＜100－2x－100＞＝1750
    x＜0 2x-1＜0 x＜2x-1
    x＞0 2x-1＞0 x＞2x-1
    x＞0 2x-1＜0 x＞2x-1
    3x^2-4x+1＞0
    2a+1/-2a<0
    2a+1/2a>0

Home page << page827 page828 page829 page830 page831 ... ... page842page page843page page844page page845page page846page >> Last page 1276 pages in total