Cho hàm số . Hỏi có bao nhiêu giá trị nguyên của để với mọi bộ ba số phân biệt , , thì ,, là ba cạnh của một tam giác ?  

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Một số câu hỏi khác có thể bạn quan tâm.

• Mark the letter A, Β, C or D to indicate the sentence that best combines each pair of sentences in the following questions:

  He didn't take his father’s advice. That's why he is out of work.  

• Mark the letter A, Β, C or D to indicate the sentence that best combines each pair of sentences in the following questions:

  We spend about one-third of our lives sleeping. We know relatively little about sleep.           

• Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best combines each pair of sentences in the following questions:

  Anna jogs every morning. It is very good for her health.           

• Mark the letter A, B, C or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions:

  Had I been interested in that subject, I would try to learn more about it.             

• Choose the sentence that best combines each pair of the following sentences:

  The holiday was so expensive. We could only afford five days.         

• Mark the letter A,B,C or D on your answer sheet to indicate the sentence that best combines each pair of sentences in the following questions:

  He grew older. He became more and more forgetful.          

• Mark the letter A,B,C or D on your answer sheet to indicate the sentence that best combines each pair of sentences in the following questions:

  Arsenal played well. They didn’t win the match.          .  

• Mark the letter A,B,C or D on your answer sheet to indicate the sentence that best combines each pair of sentences in the following questions:  

  He spoke very slowly. He wanted me to understand what he said.          

• Mark the letter A,B,C or D on your answer sheet to indicate the sentence that best combines each pair of sentences in the following questions:   

  He didn’t respond to the criticism. This only made the situation become worse.         

• Mark a letter A, B, C, or D on your answer sheet to indicate the sentence that best combines each pair sentences in the following questions:

  The buses began to pull out. Most of them were full of passengers.