x-x*0.23=92
    x-x*0.23=86
    x-x*0.23=68
    x-x*0.23=109
    x-x*0.23=52
    x-x*0.23=139
    x-x*0.23=75
    x-x*0.23=42
    （x-10）+(x+10)+x/2+2x=270
    1380x^2-1269600x+145000000=0
    3a^2-a-4=0
    8x^2-26x+13=0
    1.1x-3-0.26x=10
    1.1x-3=0.26x
    x/e^x=0.98
    x/ex=0.98
    95.4*(1+x)=95
    xe（-60x）=0.98
    94.5*(1+x)=95
    0.005/y（0.035*0.035*0.035）=2.4*10＾18

Home page << page2774 page2775 page2776 page2777 page2778 ... ... page2780 page2781 page2782 page2783 page2784 >> Last page 31237 pages in total