2*1200(22-x)=2000x
    2*1200x=2000x
    2*1200x=2400(22-x)
    1200x=(2400(22-x))/2
    1200x=2400(22-x)
    64-XX=36-（10-X）（10-X
    5+（x-3）×1.4 = 16.4
    30x+100=35(x-1)-15
    xtanx＝6
    X+（1+1/6）X=52
    5x^2-24x=0
    28/x+3=24/x
     arctanx＋arctan5x = 90
    arctanx＋arctan5x=90
    64×（1+x）×x+64×（1+x）＝100
    x＝3.05(1-x)(0.1-x)
    x/(1-x)(0.1-x)＝3.05
    x+0.06X=45000
    x（2/32-x）=120
    -2ln(x)/x=0.1999982985

Home page << page2374 page2375 page2376 page2377 page2378 ... ... page2380 page2381 page2382 page2383 page2384 >> Last page 31237 pages in total