Writing:

1.

1,Computer studies is Trong 's favourite subjects.

2,Mrs Hoa is our teacher of English.

3,There are six coloured pencils in my friend 'box.

4,Where does Lan live?

5,Shall I introduce you to my best friend ,An Son.

Reading:

1.Why was Tom nervous at fist?

   -Because the teacher are all new to he,mót of his classmates are new too.

 2.What are Tom 's teachers and friends like?

 -They are all nice to him

3.What his favourite subject?

 - His favourite subjects is computer studies.

4.What the club does he want to join?

 -He wants to join the judo club.

5.Is Tom having a nice fist week at his new school?

 - Yes ,he is.

Toán.

Ta có: ( ab + ba )

= ( 10a + b) + ( 10b + a)

= 11a + 11b

Vì 11a và 11b đều chia hết cho 11.

Suy ra: ( ab + ba )chia hết cho 11.

WRITING

1.Computer studies is Trong's favourite subject

2. Mrs Hoa is our teacher of English

3. There are six coloured pencils in my friend's box

4. Where does Lan live ?

5. Shall I introduce you to my best friend, An Son ?

READING

1. Because the teachers and most of his classmates are new.

2. They are all friendly to him

3. His favourite subject is computer studies.

4. He wants to join the judo club

5. Yes,he is