1/x+1/（x+2）+1/（x+3）=1/（x+5）
    x=150-(2491.27-2.30285*x)*((0.622*(2*e^(18.5916-3991.11/(x+233.84))/15)/(100-(2*e^(18.5916-3991.11/(x+233.84))/15)))-0.0089)/1.029
    a=150-(2491.27-2.30285*a)*((0.622*(2*e^(18.5916-3991.11/(a+233.84))/15)/(100-(2*e^(18.5916-3991.11/(a+233.84))/15)))-0.0089)/1.029
    1481544*a^3-2370470400*a^2+1125973440000*a-142228224000000=0
    30+x^2=20x
    7.3y-2.6y
    1.79305=（（0.021*x^1.85+159）^0.5）*x^0.84
    m²-5m+3=0
    m²-3m-3=0
    [(1+2m)/m]²+(1-3m)/(2m)=5/2
    [(1+2m)/m]²+(1-3m)/2m=5/2
    1-1/x
    （1.7*10^7）*（1-2x）^2＝x/（0.02-x）
    1.7*10^7＝x/［（1-2x）^2（0.02-x）］
    (x-2)×(x-2)-4×4×(x-5)=0
    4x(2-1)=3(2x-1)
    x^(x+1)=16
    x*99.975%-119.598*100.025%=0.5/10
    x*99.975%-119.598*100.025%=1/10
    x*99.975%-119.708*100.025%=0.5/10

Home page << page254 page255 page256 page257 page258 ... ... page260 page261 page262 page263 page264 >> Last page 31278 pages in total