Cho phương trình với m là tham số. Có bao nhiêu giá trị nguyên của để phương trình đã cho có nghiệm.         

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Một số câu hỏi khác có thể bạn quan tâm.

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

  I regret lending him money.
  
  

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

  There is absolutely no truth in that rumour.
  
  

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

  The rain began to fall during my walk in the country.
  
  

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

  No matter how hard Fred tried to start the car, he didn't succeed.
  
  

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

  Six years ago we started writing to each other.
  
  

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

  John said, “You’d better not lend them any money, Mary.”
  
  

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

  John didn't attend the class because he was seriously ill.
  
  

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

  The story of their sufferings was painful to listen to.
  
  

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

  If George keeps studying as he has been, he'll have no trouble in passing his exams.
  
  

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

  Who made you work so hard yesterday?