x * 0.997 * 6.7463 < ( x - 15 ) * 6.7813
    x * 0.997 *6< ( x - 15 ) * 6.035
    x*0.997 <(x-15)*1.035
    x*0.997<(x-15)
    x*0.997 > x-15
    x*0.003<15
    -1/a>4
    -x+√(x＾2-4）≤2
    －x-√(x＾2-4)≥4
    －x+√(x＾2-4)≥4
    －x+√x＾2-4≥4
    －x－√x＾2-4≥4
    1x+1<1
    x-1%+x>61
    x-1%>61
    -50-(100+x)*1%+x>10
    x≥1，x＋1／x＋1／（x2＋1）
    3*(x+6)/(x+10)>=2
    x>10000000/x
    e2x+3>1

Home page << page439 page440 page441 page442 page443 ... ... page454page page455page page456page page457page page458page >> Last page 1276 pages in total