1/My name Khang.I'm 10 years old.I live in class 5,i live in the city.

2/My favourite color is blue

   My favourite animal is dolphin

   My favourite food is chips

   My favourite sport is babminton

3/ My sister likes playing the violin

    My brother likes playing badminton

    My teacher likes Endlish

4/ Me and my family do housework at the weekend.

5/I'd like to be a repoter in the future

1/ She is Vietnamese

2/ It'47 Queen street

3/He would like to be a firefighter

4/He like helpful

5/she likes playing the piano

my best friend is Huy.He live at 21 Lac Long Quan street.Huy is tall and slim.She short hair , brow hair and big eyes.He is very friendly,clever.At the weekend,Huy often helps his parents with the housework.He always help mom and water the flowers.Huy really wants to be a doctor in the future.

my best friend is Huy.He live at 21 Lac Long Quan street.Huy is tall and slim.She short hair , brow hair and big eyes.He is very friendly,clever.At the weekend,Huy often helps his parents with the housework.He always help mom and water the flowers.Huy really wants to be a doctor in the future.

1,79; 1,97; 7,19; 7,91; 9,71; 9,17

nửa chu vi mảnh vườn là:

130\(\div\)2=65 (m)

Tổng số phần bằng nhau là:

2+3 =5 (phần)

Giá trị mỗi phần bằng nhau là:

65\(\div\)5=13(m)

Chiều rộng hình chữ nhật là:

13\(\times\)2=26(m)

Chiều dài hình chữ nhật là:

13\(\times\)3=39(m)

Đáp số chiều rộng:26m

            chiều dài :39m

a/ 8,071 ; 8,01 ; 7,801 , 7,18

b/ 7,2

a/ \(\dfrac{19}{7} \) + \(\dfrac{5}{6}\) = \(\dfrac{114}{42}\) +\(\dfrac{35}{42}\) =\(\dfrac{149}{42}\)

b/ \(\dfrac{17}{6}\) - \(2\) = \(\dfrac{17}{6}\) - \(\dfrac{12}{6}\) = \(\dfrac{5}{6}\)

c/ \(9\) \(\times\) \(\dfrac{7}{10}\) = \(\dfrac{63}{10}\)

a. \(4\dfrac{5}{6}\)

b. \(2\dfrac{3}{8}\)

a/ <

b/ >

c/ =