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: 2/3+(x-1/2) mũ 3 = 19/27 (3/2) mũ 2x-1: 27/8 mũ 3 = 81/16

Toán Lớp 7: 2/3+(x-1/2) mũ 3 = 19/27
(3/2) mũ 2x-1: 27/8 mũ 3 = 81/16

Comments ( 1 )

  1. Giải đáp+Lời giải và giải thích chi tiết:
    2/3+(x-1/2) mũ 3 = 19/27
    (x-1/2) mũ 3 = 19/27-2/3
    (x-1/2) mũ 3 = 1/27
    suy ra x-1/2=1/3
    x=5/6
    (3/2) mũ 2x-1: 27/8 mũ 3 = 81/16
    (3/2) mũ 2x-1: 3/2 mũ 9 = 81/16
    (3/2) mũ 2x-10=81/16
    (3/2) mũ 4=81/16
    suy ra 2x-10=4
    2x=14
    x=7

Leave a reply

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

About Xuân