Để làm một chiếc cốc bằng thủy tinh hình trụ với đáy cốc dày 1,5cm, thành xung quanh cốc dày 0,2 cm và có thể tích thật (thể tích nó đựng được) là 480cm3 thì người ta cần ít nhất bao nhiêu cm3 thủy tinh?

Chia sẻ

Một số câu hỏi khác có thể bạn quan tâm.

• Choose a word that has different stress pattern:

  consuming                  develop                  prevention                 effort

• Choose the best answer for the following sentence:

  Thanh is sad because she thought I knew she _____________ ill last week but I didn't come to visit her.
   

• Choose a word that has different stress pattern:

  opposition                    difference                    information                    demonstration

• Choose the best answer for the following sentence:

  She said that she could not help you because she _____________ too much to do.
   

• Choose the best answer for the following sentence:

  Being _________ to have failed the exam, she started to sob.
   

• Choose the best answer for the following sentence:

  Be careful, this road is _________.
   

• Choose the best answer for the following sentence:

  Teacher: “Who knows the answers, please ____________ your hand!”
   

• Choose the best answer for the following sentence:

  ____________ of the fact that she could not get the certification after her graduation she was employed.
  
  

• Find a mistake in the four underlined parts of the sentence and correct it:

  Ms Thuy doesn't mind taking care for disabled children.

• Find a mistake in the four underlined parts of the sentence and correct it:

  It took him a long time to get used to drive on the left.