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: tính nhanh:(-3/11:5/22).(-15/3:26/3)

Toán Lớp 7: tính nhanh:(-3/11:5/22).(-15/3:26/3)

Comments ( 2 )

  1. ( -3/11 : 5/22 ) × ( -15/3 : 26/3 )
    = -3/11 × 22/5 × (-15)/3 × 3/26
    = -6/5 × (-15)/26
    = 9/13
    *Rin

  2. (-3/11:5/22)*(-15/3:26/3)=-3/11*-15/3:5/22:26/3=9/13
     

Leave a reply

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