Lớp 4A có 15 học sinh thích toán, lớp 4B có 21 học sinh thích toán. Hỏi trung bình mỗi lớp có bao nhiêu học sinh thích toán?

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:  

  though                comb                  only              gone

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

  danger               angel                  anger               magic

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

  trivial            rivalry              minority               sign

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

  suitable              biscuit                 guilty               building

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

  The cinema was open until midnight and the theatre until ten.
   

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

  Fred was angry. He left without saying goodbye to anyone.
   

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

  The rain is starting to let up a little.
   

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

  The sooner you stop drinking, the better you’ll feel.
   

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

  creature           creative             cream               cease

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

  police             service                machine              miner