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 9: √15 – √5 ___________ 1 – 3

Toán Lớp 9: √15 – √5
___________
1 – 3

Comments ( 2 )

  1. (√15 -√5)/(1-3)=(-√15 +√5)/(2)

  2. (\sqrt{15}-\sqrt{5})/(1-\sqrt{3})
     = (\sqrt{5}(\sqrt{3}-1))/(1-\sqrt{3})
    = (-\sqrt{5}(1-\sqrt{3}))/(1-\sqrt{3})
    = -\sqrt{5}
    * Lưu ý : đề tuss sửa ở phần bình luận

Leave a reply

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