（1250-x）22.5*22.5*3.14*7.85+3.14*1/3*7.85*（22.5*22.5+22.5*14+14*14）x = 13.23 /0.000001
     （1250-x）22.5*22.5*3.14*7.85+3.14*1/3*7.85（22.5*22.5+22.5*14+14*14）x = 13.23 /0.000001
    （1250-x）22.5*22.5*3.14*7.85+3.14*1/3*7.85（22.5*22.5+22.5*14+14*14）x=13.23
    abslog（2，X）-1
    233.61 * x^3 - 75.877*x^2 + 4.4278 *x + 0.0022585=0
    x^2-3x-4=0
     （1080-x）*22.5*22.5*3.14*7.85+1/3*3.14x（22.5*22.5+22.5*14+14*14）*7.85 = 11.5/0.000001
    （1080-x）*22.5*22.5*3.14*7.85+1/3*3.14x（22.5*22.5+22.5*14+14*14）=11.5/0.000001
    （300-5x）（4+x）=1680
    （300-5x）（4+x）
    （X-X/1.13*0.13+0.01688）/7.17=0.077938328
    （X-X/1.13*0.13+0.01688）/7.17=0.07468
    （0.586-0.586/1.13*0.13+0.01688）/7.17=X
    （0.586-0.586/1.13*0.1+0.01688）/7.07=X
    （0.576-0.576/1.13*0.1+0.01688）/7.07=X
    （0.576-0.576/1.13*0.13+0.01688）/7.07=X
    （0.576-0.576/1.13*0.13+0.01688）/7.1688=X
    x^2-18.2x+82.6=0
    x^2-9.5x+18.8=0
    720(x+1)^2=2205

Home page << page185 page186 page187 page188 page189 ... ... page191 page192 page193 page194 page195 >> Last page 31235 pages in total