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Huutrong123
2 năm trước
Có 18 hình lập phương như nhau, mỗi hình có cạnh 5cm. Xếp tất cả 18 hình này thành một hình hộp chữ nhật. Hỏi hình hộp chữ nhật xếp được có diện tích xung quanh lớn nhất là bao nhiêu?
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Câu 4: Ở thành phố Hồ Chí Minh, nhiệt độ vào mùa hè khoảng 26o C – 32oC. Để bảo đảm sức khỏe thì nhiệt độ trong phòng điều hòa thấp hơn nhiệt độ bên ngoài khoảng 5o C. Vậy chúng ta cần điều chỉnh nhiệt độ trong phòng điều hòa ở nhiệt độ: A. Dưới 20o C B. Khoảng 21oC – 26o C C. Trên 28oC D. Khoảng 15o C – 20o C Câu 5: Cho 4 chữ số 0; 1; 2; 3 ta lập được tất cả các số có 4 chữ số khác nhau từ 4 chữ số đã cho là: A. 8 số B. 18 số C. 28 số D. 38 số Câu 6: Khi đánh số trang của một cuốn sách, người ta thấy trung bình mỗi trang phải dùng 2 chữ số. Hỏi quyển sách đó có bao nhiêu trang? A. 105 trang B. 122 trang C. 108 trang D. 118 trang

Read and correct the answer: For her 101st birthday, Marry Hardison, from Uthah in the USA, wanted to do something a bit different. So, instead of having a party and inviting her friends and family to her home, she decided to go paraliding. She is now in the Guiness Book of World Records as the oldest person in the world to do this. She got the idea from her 75-year-old son, who stated doing the sports a few years ago. After the jump, she spoke to journalists, and told them: " I don't want my son to do something that I can't" Mary did her flight with an instructor called Kevin Hintze. He said she was not afraid, even when they were turning over in the air. While she was coming down, Mary says she looked all around, at the buildings and at the moutanis. On the ground below, she could see her children,grandchildren, great-grandchildren and even a few great-great-grandchildren. They cheered and held up signs that said HAPPY BIRTHDAY GRANDMA! This isn't the first time Mary has done something exciting. On her 90th birthday, she went to Disneyland. A few of the rides were shut for repairs, but she went on all the ones that were open. For her next adventure, she's planning to go down the Alpine Slide at Utah's Park City Mountain Resort. It is 1,000 metres from the top to the Bottom , and very fast, but Mary isn't afraid at all. In fact, she can't wait. Answer the question: 1. Mary's son tried paraliding before his mother did it: A. Right B. Wrong C. Doesn't say 2. Mary spent more than an hour talking to journalists after her flight. A. Right B. Wrong C. Doesn't say 3. Kevin said Mary was worried during some parts of the flight. A. Right B. Wrong C. Doesn't say 4. Mary was able to enjoy the view during her flight. A. Right B. Wrong C. Doesn't say 5. Some members of Mary'family travelled a long way to watch her. A. Right B. Wrong C. Doesn't say 6. When Mary went to Disneyland, some of the rides were closed. A. Right B. Wrong C. Doesn't say 7. Mary thinks she has done enough exciting activities now. A. Right B. Wrong C. Doesn't say

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