Register Now

Login

Lost Password

Lost your password? Please enter your email address. You will receive a link and will create a new password via email.

222-9+11+12:2*14+14 = ? ( )

Toán Lớp 8: (2$x^{2}$$y^{4}$-15x$y^{2}$) : 5x$y^{2}$ – $\frac{2}{5}$x$y^{2}$

Toán Lớp 8: (2$x^{2}$$y^{4}$-15x$y^{2}$) : 5x$y^{2}$ – $\frac{2}{5}$x$y^{2}$

Comments ( 2 )

  1. (2x^2y^4 – 15xy^2) : 5xy^2 – 2/5 xy^2
    = 2x^2y^4 : 5xy^2 – 15xy^2 : 5xy^2 – 2/5 xy^2
    = 2/5 xy^2 – 3 – 2/5 xy^2
    = -3

  2. (2x^2y^4-15xy^2):5xy^2 -2/5 xy^2
    =(2x^2y^4:5xy^2)-(15xy^2:5xy^2) – 2/5 xy^2
    =2/5 xy^2 – 3 – 2/5xy^2
    =-3

Leave a reply

222-9+11+12:2*14+14 = ? ( )

About Tùy Linh