-2000+450/（1+x)^1+550/(1+x)^2+650/(1+x)^3+700/(1+x)^4+800/(1+x)^5=0
    5(x-9)>15-6(x-1)
    x^2-8x=-17
    x=3.3*10^(-3)(1-(300x/2.163))^(2)
    x=3.3(1-(300x/2.163))^2
    (7/a-5)-3/4a=0
    12×6-3（6+2x-12）｛［6-（2x-12）］x-6｝/2=22
    x^2-2*x-35=0
    x^2-2*x-20=0
    （x-1)(x^(2)-2x+1-0.7219）=0.19845
    26.14*((26.14*x+17.07)/14.07-1)*x-x^2=(4-((26.14*x+17.07)/14.07))
    3.4295(8+x)^2-12.017(8+x)+10.526=100.38
    s^2+6*s+10=0
    x-1=2
    x^3+x^2-16*x+20=0
    x^6+0.92825*x^5+1.93082*x^4+1.20214*x^3+0.93935*x^2+0.30708*x+0.06891
    (0.083-0.971)/0.003=(x-0.971)/0.002437354
    1.95*1.95*1.95
    1.95^12-1
    -1898.6*x^2+115*x=10.45

Home page << page31118 page31119 page31120 page31121 page31122 ... ... page31124 page31125 page31126 page31127 page31128 >> Last page 31249 pages in total