Cho . Tìm bất đẳng thức sai?

Chia sẻ

Một số câu hỏi khác cùng bài thi.

• Cho  là độ dài ba cạnh của một tam giác. Mệnh đề nào sau đây không đúng?

• Cho  và, , . Mệnh đề nào sau đây là đúng?

• Cho , bất đẳng thức  tương đương với bất đẳng thức nào sau đây.

• Cho  là các số thực. Bất đẳng thức nào sau đây là đúng ?

• Cho . Tìm bất đẳng thức sai?

• Cho  số . Bất đẳng thức nào sau đây đúng?

•  Xét các bất đẳng thức: ; ; Trong các bất đẳng thức trên, số bất đẳng thức đúng với mọi số thực a, b, c là:

•  Cho, gọi . Khi đó ta có

•  Bất đẳng thức  tương đương với bất đẳng thức nào sau đây?

Một số câu hỏi khác có thể bạn quan tâm.

• Choose one sentence that has the same meaning as the root one:

  It was not warm enough for us to take a leisurely walk.
  
  

• Choose one sentence that has the same meaning as the root one:

  It was impossible for Jim to complete the exam.
  
  

• Choose one sentence that has the same meaning as the root one:

  This quarrel is likely to lead to a fight.
  
  

• Choose one sentence that has the same meaning as the root one:

  London has dealt with the problems of pollution.
  
  

• Choose one sentence that has the same meaning as the root one:

  The passengers were killed after the plane crash.
  
  

• Choose one sentence that has the same meaning as the root one:

  I tried to drink the coffee, but it was too strong.
  
  

• Choose one sentence that has the same meaning as the root one:

  He went down with flu as soon as he recovered from a fever.
  
  

• Find a mistake in the four underlined parts of the sentence and correct it:

  True friendship is like sound health; it’s value is seldom known until it is lost.

• Find a mistake in the four underlined parts of the sentence and correct it:

  Anybody can sympathize with the sufferings of a friend, but it requires a very fine nature to

  sympathize with a friend’s successful.

• Find a mistake in the four underlined parts of the sentence and correct it:

  A real friend is not one who only entertains you, but one who cares about you, either one

  who will be there when you cry.