4x^2-4(2x+1)(x-1)>=0 (x-1)/(2x+1)<0
    9x^2-4x(x-3)>=0 (x-3)/x<0
    9x^2-4x(x-3)>=0 (x-3)/x>0
    2x^2+x+1>=0
    9.8*（cos(0.785-x)-0.3sin(0.785-x)）+0.007>0
    cos(0.785-x)-0.3sin(0.785-x)+0.007>0
    -0.3sin(0.785398-x)+cos(0.785398-x)+0.007>0
    36x
    5455565566x<64
    4x+10大于等于8
    x^2<25
    25-24*e(-5*T)-50*T*e(-5*T)＜1
    25-24*e(-2*T)-50*T*e(-2*T)＜1
    25-24*e(-5*T)-50*T*e(-5*T)＜1
    7.5-6.5*e-2T-15*T*e-2T＜1
    7.5-6.5*e(-2*T)-15*T*e(-2*T)＜1
    2x≥2
    4-4m+20>0
    100（x-150）+120（x-150）≥22000
    2tanA/（1+3tanA^2）<=1/sqrt（3）

Home page << page195 page196 page197 page198 page199 ... ... page210page page211page page212page page213page page214page >> Last page 1275 pages in total