0.0184*x^2-0.0831*x+1.4246=1.4225
    0.0184*x^2-0.0831*x+1.4246=1.4287
    x*x+34x=828
    x*x+34x=828
    x^2=1
    0.1963/4/x^2=0.0383
    x*0.9*680/0.1963+4*x*90/0.1963+0.9*(1-5*x)*70=240.5
    x*0.9*680/0.1963+4*4*90/0.1963+0.9*9*(1-5*x)*70=240.5
    22*1=h*2.2
    x^3-6x^2+11x-6=0
    x^2+x=32
    2.3x=x+600
    x÷60-x÷70=1
    x÷60-x÷70=1
    x^2+x=32
    500y-y²=62500
    10000/x+20000/（60+x）＝150
    10000/x+20000/（60+x）＝150
    10000/x+20000/（x+60）＝150
    10000/x+20000/（x+60） = 150

Home page << page1301 page1302 page1303 page1304 page1305 ... ... page1307 page1308 page1309 page1310 page1311 >> Last page 31237 pages in total