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 6: Tìm n thuộc N: 3n+4 chia hết cho 2n-1

Toán Lớp 6: Tìm n thuộc N: 3n+4 chia hết cho 2n-1

Comments ( 2 )

  1. 3n + 4 \vdots 2n – 1
    6n + 8 \vdots 6n – 3
    6n – 3 + 11 \vdots 6n – 3
    6n – 3 \vdots 6n – 3
    → 11 \vdots 6n – 3
    → 6n – 3 ∈ Ư(11) = {1; 11}
    → x ∈ ∅
     

Leave a reply

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