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: Câu 21: 2. [( 7 – 3 : 3 mũ 2 ) : 2 mũ 2+ 99] – 100

Toán Lớp 6: Câu 21: 2. [( 7 – 3 : 3 mũ 2 ) : 2 mũ 2+ 99] – 100

Comments ( 2 )

  1. 2 . [( 7 – 3 : $3^{2}$ ) : $2^{2}$ + 99] – 100
    = 2. [4 : $2^{2}$  + 99 ] – 100
    = 2 . ( 1 + 99 ) – 100
    = 200 – 100
    = 100

  2. $ 2.[( 7 – 3 : 3^2) : 2^2+ 99] – 100$
    $=2.[(7-3):4+99]:100$
    $=2.(4:4+99)-100$
    $=2.(1+99)-100$
    $=200-100$
    $=100$
     

Leave a reply

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