out

stand for

giúp em câu c với ạ:

mọi người giúp em bài này với ạ:(((( em cảm ơn

1. watching 

2. doing 

3. sleeping 

4. working 

5. studying 

6. talking 

7. going 

8. eating 

9. telling 

10. having 

1. Two cakes were eaten by them last night 

2. Chicken is liked by me 

3. Our work will be finished by us soon 

4. Ngoc's bike is repaired by her 

5. English could be spoken by Nga 

6. A big modal plane was made by Mr. Hung 

7. A book must be given by Mrs. Lan 

8. Many books can be borrowed from the library 

9. His children were taken to the zoo last Sunday 

10. Binh's brother's old teacher is seen by him on the way home 

Vì nửa chu vi hình chữ nhật bằng 48 => chiều dài + chiều rộng = 48 

Mà ta có: \(\dfrac{cr}{cd}\) = \(\dfrac{2}{3}\)

Ta có sơ đồ sau: 

Chiều dài    _ _ _ 

Chiều rộng  _ _ 

Giá trị mỗi phần là: 48 : (2 + 3) = 9,6 

Chiều rộng bằng: 9,6 x 2 = 19,2 

Chiều dài bằng: 9,6 x 3 = 28,8 

Vậy diện tích hình chữ nhật đó bằng 552,96

1. Teenagers play football, rugby, tennis and basketball in the UK and American football, athletics, basketball and baseball in the USA in their free time.

2. They spend over 25 house a week online.

3. They get about £7 a week in the UK and about £10 in the UK.

4. They spend their money on clothes and going out, magazines, presents and snacks. 

5. They have sixteen online friends on social network websites.