Trong không gian với hệ tọa độ Oxyz, cho điểm . Mặt phẳng (P) thay đổi di qua M lần lượt cắt các tia Ox, Oy, Oz tại A, B, C. Giá trị nhỏ nhất của thể tích khối tứ diện OABC là?         

Chia sẻ

Một số câu hỏi khác có thể bạn quan tâm.

• Mark the letter A, B, C, or D to indicate the sentence that best combines each pair of sentences in the following questions:

  He failed his driving test the first time. As a result, he took it again.         

• Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best combines each pair of sentences in  the following questions:

  I ate the soup. After that I remembered that I had forgotten to give my little sister some of it.         

• Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best combines each pair of sentences in  the following questions:

  On the one hand, I’d love to study Japanese. On the other hand, I really haven’t got the time.

• Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best combines each pair of sentences in  the following questions:

  Mary lost the ticket. She didn’t go to the concert.         

• Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best combines each pair of sentences in  the following questions:

  The old man is working in this factory. I borrowed his bicycle yesterday.         

• Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best combines each pair of sentences in  the following questions:

  David drove so fast, it was very dangerous.  

• Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best combines each pair of sentences in  the following questions:

  It was an interesting novel. I stayed up all night to finish it.         

• Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best combines each pair of sentences in  the following questions:

  I think my hair looks fine. My mother believes it needs a little more brushing.         

• Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best combines each pair of sentences in  the following questions:

  We can protect the world in which we live. We, for example, can grow more trees and recycle rubbish.         

• Mark the letter A, B, C or D on your answer sheet to indicate the sentence that best combines each pair of sentences in the following questions:

  She turned the radio on at 7.30. She was still listening to it when her mother came home at 9.00.