Biết đồ thị của hàm số luôn luôn đi qua hai điểm và cố định khi thay đổi. Tọa độ trung điểm của đoạn thẳng là:

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Một số câu hỏi khác có thể bạn quan tâm.

• Mark the letter A, B, C or D on your answer sheet to indicate the word that differs from pronunciation in each of the following questions:

• Mark the letter A, B, C or D to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions: 

• Mark the letter A, B, C or D to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions: 

• Mark the letter A,B,C or D on your answer sheet to indicate the word whose underlined part different from the other three in pronunciation in each of the following questions.    

• Mark the letter A,B,C or D on your answer sheet to indicate the word whose underlined part different from the other three in pronunciation in each of the following questions:

   

• Mark the letter A,B,C or D on your answer sheet to indicate the word whose underlined part different from the other three in pronunciation in each of the following questions:

• Mark the letter A, B, C, or D to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions:     

• Mark the letter A,B,C or D on your answer sheet to indicate the word whose underlined part differ from the other three in pronunciation in each of the following question:     

• Mark the letter A,B,C or D on your answer sheet to indicate the word whose underlined part differ from the other three in pronunciation in each of the following question:     

• Mark the letter A, B, C, or D on your answer sheet to indicate the word whose underlined part differs from the rest: