16.8X*0.03+16.8X=6434.06
    （X+45）/X=45%
    x/5000-0.2=x/340
    e^x＝3
    36x^2-24x
    3*a=a+16
    b-b÷3=10
    sin(2+x)=x
    sin(5)=x
    （44-x）*(20+5x)=1600
    （48-x-30）*（200+30x）=4480
    81-3x=37-x
    4(2x+9)=3x+51
    4.053*10^6=（2602.282x）/(x^2-29.847x)-(182101.3071)/(x^2+29.847x)
    65×7.8+12.15x=（65+x）×7.96
    65×7.81+12.15x=（65+x）×7.98
    x^4-4x^3-5x^2+18x+18=0
    14.28x*346.5x=1
    X/（1+13%）*13%=25.31
    0.11=(0.6+0.6g)/11.28+g

Home page << page1783 page1784 page1785 page1786 page1787 ... ... page1789 page1790 page1791 page1792 page1793 >> Last page 31237 pages in total