Trong không gian với hệ trục tọa độ Oxyz , phương trình của mặt cầu đi qua ba điểm và có tâm thuộc mặt phẳng 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:

  Nothing can prevent him from loving her, can’t it?

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

  He didn’t prepare his lesson so he couldn’t answer the teacher’s questions.
  
  

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

  Can you give me the newspaper on the table, Nam?
  
  

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

  Absolutely nothing that floats, neither a corked bottle nor a 50,000-ton ships can escape the effects of water currents.

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

  The president was made resign by the rebels.

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

  It is believed that there is another world for the death people.

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

  It’s him who has won the gold medal for men’s long jump.

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

  Tom is good at English. He is good at French, too.
  
  

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

  People think Mrs. Nga is a good step mother.
  
  

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

  It is said that Tom married a girl whose father is a millionaire two years ago.