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 x d) x+ 2x+ 3x+ 4x+ 5x= 225

Toán Lớp 6: Tìm x
d) x+ 2x+ 3x+ 4x+ 5x= 225

Comments ( 2 )

  1. x+2x+3x+4x+5x=225
    ⇔x.(1+2+3+4+5)=225
    ⇔x. 15=225
    ⇔x=225: 15=15
     

  2. \text {Mon}
    d, x+2x+3x+4x+5x=225
         (1+2+3+4+5)x = 225
                           15x = 225
                               x = 225 : 15
                               x = 15
    Vậyx = 15
                           

Leave a reply

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