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1. My class has thirty students.
2. I often get up at half past five in the morning.
3. There are 800 students in my school.
4. It is a beautiful house.
5. Are there forty classrooms in Phong's school?
6. Minh often goes to school at a quarter past six in the morning.
7. It is a small school.
8. Nam is Mr.Tuan's son.
9. Mrs. Lai is Hoa' mother.
10. Where do you live?
11. Huong is Ba's sister.
12. Mr. Binh is Tung's father.
13. It is a school bag.
14. Does her room has five windows.
15. Mr and Mrs. Kien are Lan's parents.
16. How many students does the school have?
17. How many rooms does the house have?
18. How many floors are there in your school?
1. Minh lives in a house near a lake.
2. There is a big yard in front of our school.
3. Are there many flowers to the right of the museum?
4. What is there next to the photocopy store?
5. My father works in a hospital in the city.
6.How many people are there in Linh' s family?
7.My friend doesn't live with his family in Ha Noi.
8. Hoa gets up at six o'clock and brushes her teeth.
9. Our classroom is on the first floor.
10. There are six rooms in Minh's house.
Ông Bảo có một mảnh sân hình chữ nhật sau nhà. Diện tích của sân này là 1000 mét vuông. Nếu giảm chiều dài của sân đi 10 mét thì diện tích chỉ còn 800 mét vuông. Tìm chiều rộng của sân nhà anh Bảo.
Diện tích khu vườn là: \(\frac{\left(80+120\right)x60}{2}=6000\left(m^2\right)\)
Diện tích trồng rau là: \(6000:100x60=3600\left(m^2\right)\)
Diện tích trồng trái cây là: \(6000-3600=2400\left(m^2\right)\)
Đáp số: 2400 m2
_ANSWER :16 rectangles
16 rectangle