（12-2t）（16-2t）=96
    1/(2*x*sqrt(1-x*x))=10^(4.58/20)
    (x+0.5)^2=0.005
    X^2-11.6X+32.4=0
    85.305=（（0.021*x^1.85+955）^0.5）*x^1.84
    812=（（0.021*x^1.85+955）^0.5）*x^1.84
    10×0.3+10×0.3×0.95×0.99×0.3+10×0.3×0.95×0.99×0.32+....+10×0.3×0.95×0.99×0.3n-1=
    （5-x）:（3-x）=9:7
    X+X/15=600
    X+250+(X+250)/15=600
    X+250+(X+250)/7.5=600
    X+250+(X+250)/5=600
    X+250+(X+250)/0.2=600
    X+250+(X+250)/3.75=600
    X+500+(X+500)/3.75=600
    15*sqrt(0.25x^2+1)/(x*sqrt(x^2+1)*sqrt((0.03x)^2+1))=1
    15*sqrt(0.25x^2+1)/(x*sqrt(x^2+1)*sqrt((0.032x)^2+1))=1
    15*sqrt(0.25x^2+1)/(x*sqrt(x^2+1)*sqrt((0.035x)^2+1))=1
    15/（7.5*sqrt(1+7.5^2)）=1/sqrt(x)
    78.6+11.72y=29.574y+29.758

Home page << page122 page123 page124 page125 page126 ... ... page128 page129 page130 page131 page132 >> Last page 31235 pages in total