Minh có tất cả 45 viên bi xanh và bi đỏ. Biết rằng số viên bi xanh bằng $\frac{5}{4}$ số viên bi đỏ. Hỏi Minh có tất cả bao nhiêu viên bi xanh?

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Một số câu hỏi khác có thể bạn quan tâm.

• 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.
   

• Choose the best answer for the following sentence:

  If Jack ____________ home earlier last night, he ____________ you back.
   

• Choose the best answer for the following sentence:

  If you ____________ so much then, everyone ____________ satisfied and she ____________.
  
  

• Choose the best answer for the following sentence:

  What ____________ if somebody ____________ to you?
   

• Choose the best answer for the following sentence:

  If you ___________ less last night, you ____________ so bad today.
   

   

• Choose the best answer for the following sentence:

  If you had tried your best, you __________ the job.