x^3≥0
    x^2≥0
    x^2＞0
    x^4+4x+3＞0
    2+x＞x^2
    x²－7x－30＜0
    (5x+5435)/(1139+x)>4.8
    abs（0.1354x^2-0.271x-0.8646）>abs（0.368x-0.368）*（1.368x-2.368）-1.736+1.104x
    abs（0.1354x^2-0.271x-0.8646）
    abs（0.368x-0.368）<1
    0≤x²≤1
    e^x≤0.2
    100-x＜160-2x
    20x+30(100-x)<=2800 40x+20(100-x)<=2800
    (a-4)*(a-1)^2*a^3＞＝0
    2*a^3-3*a^2+1＞0
    2*a^3-3*a^2+1＞1
    abs(a^3-3*a^2)＜（1+a^3)
    abs(((3*a^2-a^3)-sqrt((a^3-3*a^2)^2-4*a^3))÷2) <1
    abs(((3*a^2-a^3)+sqrt((a^3-3*a^2)^2-4*a^3))÷2)＜1

Home page << page399 page400 page401 page402 page403 ... ... page414page page415page page416page page417page page418page >> Last page 1275 pages in total