x^2-x^3=0.04
    (X-20)(-10x-1540)=0
    -x²+90x-1800=200
    (7-x)/(13+x)=1/3
    (51-x)/(39-x)=4
    x^2-3360x-1820^2=0
    x^2-672x-560*560=0
    2/x+x/2=1
    55x=45(x+6）
    (15+x)/(29+x)=3/5
    2x+40+x=310
    40x-x²=20
    r^2-2r+2=0
    0.3÷x=1.5
    1/3x^3+3(x2+x+1)
    4x+1/3x×6=360
    3x+8=56
    8x^2--528x=7731
    x^2-66x=1288
    8x^2-528x=7731

Home page << page1017 page1018 page1019 page1020 page1021 ... ... page1023 page1024 page1025 page1026 page1027 >> Last page 31237 pages in total