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: Thực hiện phép tính 3.(-3) ² -5.(-12)-270 Help me!!!!!!!!!!

Toán Lớp 6: Thực hiện phép tính
3.(-3) ² -5.(-12)-270
Help me!!!!!!!!!!

Comments ( 2 )

  1. 3*(-3)^2-5*(-12)-270
    =3*9-5*(-12)-270
    =27-(-60)-270
    =27+60-270
    =87-270
    =-(270-87)
    =-183
     

  2. 3 . (-3)^2 – 5 . (-12) – 270
    = 3 . 9 – 5 . (-12) – 270
    = 27 – (-60) – 270
    = 87 – 270
    = -183

Leave a reply

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