- Is rainy

- is in Thanh Pho Ho Chi Minh

-

1. it's in december.

2. because I want to be a maths teacher.

3. I go to the Sydney.

4. My favourite subject is vietnamese.

1. it's in december.

2. because I want to be a maths teacher.

3. I go to the Sydney.

4. My favourite subject is vietnamese.

1. it's in december.

2. because I want to be a maths teacher.

3. I go to the Sydney.

4. My favourite subject is vietnamese.

1. I was beach.

2. No, he can't ride a bike.

3. I have three buildings in my school.

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1. My name is hoa 

2. I'm nine years old

3. My hobby is baminton

4.  my playing is baminton

1. She isthirty five years old.

2. I have some goldfish. 

3. I have two dog

4. I'm reading a book

1. He is playing basketball.                  2. It's cimbing.               3. I can see a peacock.              4. He have two ships.                                                                                          

a) \(\dfrac{-2}{7}\)+\(\dfrac{2}{7}\):\(\dfrac{3}{5}\) = \(\dfrac{-2}{7}\)+\(\dfrac{2}{7}\).\(\dfrac{5}{3}\) = \(\dfrac{-2}{7}\)+\(\dfrac{10}{21}\) = \(\dfrac{-6}{21}\)+\(\dfrac{10}{21}\)=\(\dfrac{4}{21}\)

b)\(\dfrac{-8}{19}\)+\(\dfrac{-4}{21}\)-\(\dfrac{17}{21}\)+\(\dfrac{27}{19}\)=​​​​​\(\dfrac{-8}{19}\)+\(\dfrac{27}{19}\)+\(\dfrac{-4}{21}\)+\(\dfrac{-17}{21}\)=​\(\dfrac{19}{19}\)+​\(\dfrac{-21}{21}\)=1-1=0

c)\(\dfrac{6}{5}\).\(\dfrac{3}{13}\)-\(\dfrac{6}{5}\).\(\dfrac{16}{13}\)=\(\dfrac{6}{5}\).(\(\dfrac{3}{13}\)-\(\dfrac{16}{13}\))=\(\dfrac{6}{5}\).\(\dfrac{-13}{13}\)=\(\dfrac{6}{5}\).(-1)=\(\dfrac{-6}{5}\)

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