7500/（x+9.9+11.88）+10000/（x+9.9）+10000/241=143
    0.7367x-0.103456sin(2πx)-0.086125=0.2122(sin(πx))^3+0.036sin(πx)+0.036sin(1.25π-2πx)
    7500/（x+9.9+11.88）+10000/（x+9.9）+10000/210=143
    7500/（x+9.9+11.88）+10000/（x+9.9）+10000/240=143
    7500/（x+9.9+11.88）+10000/（x+9.9）+10000/210=143
    7500/（x+9.9+11.88）+10000/（x+9.9）+10000/210=743
    x^3-3/8*x^2 -5/8=0
    x^3-3/8^x -5/8=0
    3800x-5000（1+x）*8%*50%=0
    (300+10a)(40-a)-(800-15a)=11350
    (300-10a)(40-a)-(800-15a)=11350
    (300-10a)(40-a)-(800-20a+5a)=11350
    (300-10x)(40-x)-(800-20x+5x)=11350
    (300-10x)(40-x)-(800-20x+5x)=11350
    x^2-48x=2128
    1/(x-2)-(2x)/(x^2-4)=2/(x+2)
    1/x-2-2x/x^2-4=2/x+2
    （x+1）∧2＝1
    （1+x）∧12＝1.03
    sqrt（（7.7/2）^2+（5.35/2）^2）=x

Home page << page1421 page1422 page1423 page1424 page1425 ... ... page1427 page1428 page1429 page1430 page1431 >> Last page 31237 pages in total