Một hình vuông có chu vi là 3060cm. Tính độ dài một cạnh của hình vuông đó.

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Một số câu hỏi khác có thể bạn quan tâm.

• Mark the letter A,B,C or D on your answer sheet to indicate the sentence that is closest in meaning to each of the following questions:

  Donald could not help weeping when he heard the bad news.         

• Mark the letter A,B,C or D on your answer sheet to indicate the sentence that is closest in meaning to each of the following questions:

  He got over his illness in three months.          .  

• Mark the letter A,B,C or D on your answer sheet to indicate the sentence that is closest in meaning to each of the following questions:

  She has always had a good relationship with the children.         

• Mark the letter A,B,C or D on your answer sheet to indicate the sentence that is closest in meaning to each of the following questions:

  We had planned to walk right round the lake, but the heavy rain made this impossible.         

• Mark the letter A,B,C or D on your answer sheet to indicate the sentence that is closest in meaning to each of the following questions:

  Although he was very tired, he agreed to help me with my homework.         

• Mark the letter A, B, C or D to indicate the sentence that is closest in meaning to each of the following questions:      

  I remember telling you about the due day of the exam paper.         

• Mark the letter A, B, C or D to indicate the sentence that is closest in meaning to each of the following questions:         

  Friendly though he may seem, he's not very trusted.         

• Mark the letter A, B, C or D to indicate the sentence that is closest in meaning to each of the following questions:       

  Alfred said to John: “I didn’t use your computer! Someone else did, not me.”  

• Mark the letter A, B, C or D to indicate the sentence that is closest in meaning to each of the following questions:                                                 

  Without skillful surgery, he would not have survived the operation.                 

• Mark the letter A, B, C or D to indicate the sentence that is closest in meaning to each of the following questions:                                                 

  There's no point in phoning Caroline - she’s away.