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 7: (12/25)^x (5/7)^-2-(-3/5)^4 tim x

Toán Lớp 7: (12/25)^x (5/7)^-2-(-3/5)^4 tim x

Comments ( 2 )

  1. @Noobverynoob
    #Detective Edogawa Conan
    Chúc bạn học tốt :)))

    toan-lop-7-12-25-5-7-2-3-5-4-tim

  2. #huy
    (12/25)^x= (5/7)^-2-(-3/5)^4
    (12/25)^x=(3/5)^2-(3/4)^4
    (12/25)^x=(3/5)^2[1-(3/5)^2]
    (12/25)^x=(12/25)^2
    x=2
    S={2}
     

Leave a reply

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