Cho .Biểu thức thu gọn của biểu thức  là:  

Chia sẻ

Một số câu hỏi khác có thể bạn quan tâm.

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

  They have left their house empty since years.

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

  Due to the government's policy, some farming areas have been abandoned.
  
  

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

  Can somebody show me how to change the film in this camera?
  
  

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

  If you need help, please stay on the line until an operator answers.
  
  

• Choose a word that has different stress pattern:

  biodiversity                  personality                  familiarity                  opportunity

• Choose a word that has different stress pattern:

  entrapment                   encouragement                  ensure                   engineer

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

  Satellite photos provide a wide range of information, included water temperature.

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

  I wish you are here with me to enjoy our holiday.

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

  They were tired of their job; they should to change another that they really like.

• Choose the correct sentence which is built from the words and phrases given:

  Sea turtles / turtles / find / all the world's oceans / except / Arctic Ocean //.