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 4: Tính nhanh a.125*9*8 b.4*800*25

Toán Lớp 4: Tính nhanh
a.125*9*8
b.4*800*25

Comments ( 2 )

  1. a) 125 × 9 × 8
    = ( 125 × 8 ) × 9
    = 1000 × 9
    = 9000
    b) 4 × 800 × 25
    = ( 4 × 25 ) × 800
    = 100 × 800
    = 80000
     

  2. a) 125×9×8
    = (125×8)×9
    = 1000×9
    = 9000
    b) 4×800×25
    = (4×25)×800
    = 100×800
    = 80000
    $#Na$
     

Leave a reply

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

About Mai