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: Rút gọn bt sau D=(x2-y2)(x2+y2)(x4+y4)(x8+y8)

Toán Lớp 8: Rút gọn bt sau
D=(x2-y2)(x2+y2)(x4+y4)(x8+y8)

Comments ( 2 )

  1. 1.
    a)
    D=(x^2-y^2)(x^2+y^2)(x^4+y^4)(x^8+y^8)
    D=x^2 . x^2 – y^2 . y^2 (x^4+y^4)(x^8+y^8)
    D=(x^4-y^4)(x^4+y^4)(x^8+y^8)
    D = x^4 . x^4 – y^4 . y^4(x^8 + y^8)
    D = (x^8 – y^8)(x^8+y^8)
    D = x^8.x^8 – y^8.y^8
    D = x^16 – y^16

  2. Đáp án:
     
    Giải thích các bước giải:
     

    toan-lop-8-rut-gon-bt-sau-d-2-y2-2-y2-4-y4-8-y8

Leave a reply

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