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 5: Tìm x: 8,75 x y + 1,25 =20 giúp mình với

Toán Lớp 5: Tìm x:
8,75 x y + 1,25 =20
giúp mình với

Comments ( 2 )

  1. 8,75 xx y + 1,25 = 20
    8,75 xx y = 20 – 1,25
    8,75 xx y = 18,75
    y = 18,75 : 8,75
    y = 2,1428….
     

  2. 8,75 x y+1,25=20
    8,75 x y=20-1,25
    8,75 x y=75/4 
    y=75/4 : 8,75
    y=15/7 
    vậy y =15/7 

Leave a reply

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

About Thanh Thu