11×x^2-13×x-2=0
    50x=40x-80
    （1.5-x）*50=（2-x）*40
    x=2000x-4000
    40x=2+50x
    x^2-35x+300=0
    (x-100)(1000-2x)-40000=32800
    x^2-600+86400=0
    4/x
    X+(X+31)=311
    2^x+x
    X+(X+31)=311
    24x=20（33-x）
    30÷2X=3
    x（x+8)=65
    2x^3-3x^2+1=0
    （X -11）*50000-67500-5000*X*5%=103550
    （X -11）*50000-67500-5000*X*5%=103550
    Y=100+0.9Y+50
    100+0.9Y+50

Home page << page1132 page1133 page1134 page1135 page1136 ... ... page1138 page1139 page1140 page1141 page1142 >> Last page 31249 pages in total