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: 47. 134-47 .35 +47 -(- 2017+ 2789)+ (1789 -2017)

Toán Lớp 6: 47. 134-47 .35 +47
-(- 2017+ 2789)+ (1789 -2017)

Comments ( 2 )

  1. $\text{47. 134 – 47. 35 + 47}$
    $\text{= 47. ( 134 – 35 + 1 )}$
    $\text{= 47. 100}$
    $\text{= 4700}$
    $\text{-( -2017 + 2789 ) + ( 1789 – 2017 )}$
    $\text{= -772 + ( -228 ) }$
    $\text{= -( 772 + 228 )}$
    $\text{= -1000}$

  2. 47 * 134 – 47 * 35 + 47
    = 47 * 134 – 47 * 35 + 47 * 1
    = 47 * (134 – 35 + 1)
    = 47 * 100
    = 4700
    _____________________________
    -(-2017 + 2789) + (1789 – 2017)
    = 2017 – 2789 + 1789 – 2017
    = (2017 – 2017) – (2789 – 1789)
    = 0 – 1000
    = -1000
     

Leave a reply

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