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: rút gọn : I=13^3 . 121^2 . 5 – 22^4 . 3^3 ============= 75^2 . 11^4

Toán Lớp 7: rút gọn : I=13^3 . 121^2 . 5 – 22^4 . 3^3
—————————————
75^2 . 11^4 – 30^2 . 11^5

Comments ( 2 )

  1. I=(3^3. 121^2. 5-22^4. 3^3)/(75^2. 11^4-30^2. 11^5)
    =(3^3. 11^4. 5-11^4. 2^4. 3^3)/(5^4. 3^2. 11^4-2^2. 3^2. 5^2. 11^5)
    =(3^3. 11^4(5-16))/(5^2. 3^2. 11^4(25-4. 11))
    =(3.(-11))/(25.(-19)
    =33/475
    $\text{@ThanhTruc2008}$

Leave a reply

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

About Melanie