Một hỗn hợp gồm U, G và X với tỉ lệ U: G : X = 2 : 3 : 1. Xác suất tạo ra loại bộ ba có 2U và 1X từ hỗn hợp trên là

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Một số câu hỏi khác có thể bạn quan tâm.

• Choose the best answer for the following sentence:

  If I __________ in his shoes, I ____________ the Browns.
  

• Choose the best answer for the following sentence:

  Where  __________ if you ___________ on leave?
   

• Choose the best answer for the following sentence:

  She __________ this mistake if she __________ more attentive.
   

• Choose the best answer for the following sentence:

  If I ___________ of his arrival, I __________ him

   

• Choose the best answer for the following sentence:

  If you _________ salt on ice, it _________.
   

• Choose the best answer for the following sentence:

  Unless he ___________ his homework, he ___________ at home.
   

• Choose the best answer for the following sentence:

  Providing that we __________ early, we ____________ the place of destination in time.
   

• Choose the best answer for the following sentence:

  I ___________ him up if he _____________ tomorrow.
   

• Choose the best answer for the following sentence:

  I think that if you _____________ them that our invitation still stands, they ____________ it another thought.
   

• Choose the best answer for the following sentence:

  She ___________ her best to save the situation if she _____________ there but she was on business then.