Có bao nhiêu số nguyên dương để hàm số nghịch biến trên khoảng .         

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Một số câu hỏi khác có thể bạn quan tâm.

• Choose a word that has different stress pattern:

  maintenance                    location                       history                   register

• Choose a word that has different stress pattern:

  culture                   famous                   center                  protect

• Choose a word that has different stress pattern:

  atmosphere                      surrounding                      beautiful                      business

• Choose the best answer for the following sentence:

  Local people have mixed feelings about the planned transformation of their town _____________ a regional capital.
   

• Choose the best answer for the following sentence:

  Emperor Akihito of Japan was _______________ in Tokyo.
   

• Choose the best answer for the following sentence:

  A fund has been set up to give ______________ to the town’s cultural sites.
  
  

• Choose the best answer for the following sentence:

  A ____________ is a special place in which vou remember and praise a famous person, who was dead.
   

• Choose the best answer for the following sentence:

  The sea ______________ the sun’s warmth longer than the land
   

• Choose the best answer for the following sentence:

  Hanoi is located ____________ in heart of ____________ Red Delta.
   

• Choose the best answer for the following sentence:

  __________ Bay of Biscay lies to ___________ west of France.