Gieo một con xúc sắc cân đối đồng chất hai lần. Tính xác suất sao cho tổng số chấm của hai lần gieo là số lẻ.                 

Chia sẻ

Một số câu hỏi khác có thể bạn quan tâm.

• Choose the word that has the underlined part pronounced differently from the rest: 

  box                    hospital                      local                        shop 

• Choose the word whose stress is on the third syllable:

  picturesque                     industrial                     paragraph                      Internet

• Choose the best answer for the following sentence:

  Our house is right in the country. There are plenty of nice places to walk in the _____ area.
  
  

• Choose the best answer for the following sentence:

  It wasn’t I who stole the jewels. You’ve made a ___________ mistake.
  
  

• Choose the best answer for the following sentence:

  I couldn’t decide between the two records, so I bought ____________ of them.
  
  

• Choose the best answer for the following sentence:

  Have you told ____________ about the letter?
  
  

• Choose the best answer for the following sentence:

  I would never borrow money from ____________ .
  
  

• Choose the best answer for the following sentence:

  The boy said that he hadn’t done ____________ wrong.
  
  

• Choose the best answer for the following sentence:

  He asked me if I had seen his wife _____________ .
  
  

• Choose the best answer for the following sentence:

  _____________ couldn’t understand what she was saying.