Có bao nhiêu số có hai chữ số mà hiệu các chữ số bằng 5

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Một số câu hỏi khác cùng bài thi.

• Quan sát sơ đồ và cho biết tổng số dầu ở cả hai thùng.

• Có bao nhiêu số có hai chữ số mà hiệu của hai chữ số bằng 5?

• Tìm x, biết:
  x – 169 = 700.

• Tính nhẩm:
  500 : 5.

• Lớp 3A có 17 bạn nam. Số bạn nữ ít hơn số bạn nam là 2 bạn. Hỏi lớp 3A có tất cả bao nhiêu bạn?

• Tính:

•  Tìm chữ số thích hợp để điền vào ô vuông sau:

• Tính chu vi của hình tứ giác ABCD:

• Tìm x, biết:
  x – 371 = 431.

• Tính:
  $200 \times 3 + 123.$

Một số câu hỏi khác có thể bạn quan tâm.

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  I didn’t listen to him, and I didn’t succeed.
  
  

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

  I prefer going out for a meal to staying at home.
  
  

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