1000/X+2000/x2+600/x3+4000/x4=7000
    0.15×250+0.15×300+0.35×320+0.35x=300
    -1*（1-X^2）/（1-x）＝0
    -2*（1-x^2）（1-x）＝6
    37y^2+20y-23=0
    （3.45+1.5*x）*x=1.2*3.4
    （3.45+1.5*x）*x=1.2*5.48
    16+x²=4x²
    （1.82+1.5*x）*x=1.2*1.9
    （2.01+1.5*x）*x=1.2*1.86
    （2.43+1.5*x）*x=1.2*2.71
    （3.45+1.5*x）*x=7.8/12.5*5.48
    3x-9+2x+3=7x+11-5x-8
    （0.57+1.5x）*x=1.83*1.2
    （0.97+1.5x）*x=5.33*1.2
    （0.68+1.5x）*x=2.6*1.2
    （0.57+1.5x）*x=1.83*0.4
    （0.97+1.5x）*x=5.33*0.4
    （0.68+1.5x）*x=2.6*0.4
    （0.68+1.11x）*x=2.6*0.4

Home page << page231 page232 page233 page234 page235 ... ... page237 page238 page239 page240 page241 >> Last page 31249 pages in total