Phương trình có tất cả các nghiệm là  

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Một số câu hỏi khác có thể bạn quan tâm.

• Choose the best answer for the following sentence:

  He is not in town; he ____________ on a special mission.
   

• Choose the best answer for the following sentence:

  Don't come into the compartment; the berth ____________ now.
   

• Choose the best answer for the following sentence:

  A new underground line ___________ now. They say one of its stations ____________ in my street.
   

• Choose the best answer for the following sentence:

  He wants to know when the final decision ___________. The activities of the committee and their delays already ____________ about.
   

• Choose the best answer for the following sentence:

  It was three o'clock. We ____________ to hurry up because we _____________.
  
  

• Choose the best answer for the following sentence:

  Do you believe that such a problem can _________?
   

• Choose the best answer for the following sentence:

  It must _____________ without delay.
  

• Choose the best answer for the following sentence:

  If I ___________ get a pole. I'll go fishing.
  
  

• Choose the best answer for the following sentence:

  If they had enough time, they ___________ head south.
   

• Choose the best answer for the following sentence:

  If you __________ a choice, which country would you visit?