DÙNG TỪ GỢI Ý Ở ĐẦU CÂU ĐỂ VIẾT LẠI NHỮNG CÂU SAU SAO NGHĨA KHÔNG THAY ĐỔI.

1. There are two armchairs, a couch and a table in the living room.

The two armchairs, a couch and a table are in the living room.

2. What is the price of these apples ?

How much are these apples?

3. The Mekong River is longer than the Red River.

The Red River is shorter than the Mekong River

4. The school is in front of the mseum.

The museum is behind the school.

5. What is the price of these apples ?

How much does these apples cost?

6. Let's go to our party.

Why don't you go to our party?

7. John is the Strongest boy in my class.

No one in my class is stronger than John.

8. There are 40 trees in the garden.

The garden has 40 trees.

9. I want to often you some food.

Would you like some food?

10. This mountain has the height of 1000m.

This mountain is 1000m high.

I. Dùng dạng đúng của động từ trong ngoặc đơn.

1. Nam and Ba often (play) .............play............. chess in their free time.

2. Hoa (have) ..............has................. many books in English.

3. What (you/do) ............ will you do........... at recess tomorrow?-I don't know. Perhaps I (borrow) ...........will borrow.......... an English book from the library.

4. Why (your friends/like) .................do your friends like............... your house?

5. After school, Ba often (ride) ....................rides................ his bike home.

6. We (not call) ...............won't call.................our friends tomorrow.

7. (you/be) ..................Will you be............... here with us next Sunday?

Gọi so can tim la x 
Theo bài ra ta có 
x = 7a + 5 va x= 13b + 4 
Ta lại có x + 9 = 7a + 14 = 13b + 13 
-> x + 9 chia hết cho 7 và 13 
-> x + 9 chia hết cho 7.13 = 91 
-> x + 9 = 91m -> x = 91m - 9 = 91(m -1 + 1) - 9 = 91(m-1) + 82 
Vậy x chia 91 dư 82

put the verbs in brackets in the correct tense form :

1 , where ........are .......you ( be ) .................... , Phong ?

- I'm upstairs  . I ( do ) ..........am doing.......... my homework .

2 , It's warm to day . I ( not want ) ...........don't want..........( stay ) ........... to stay.............at home now .what about ( goes ) .............going...........swimming in the river ?

3 . Listen ! ......Are .... they ( sing ) ......singing........ in the classroom ?

4 , my family likes ( spend ) .....spending.... our summer holidays at the seaside .

mk nè 

x + 7/2 x + x = 97/4 

=> x . [ 1+7/2+1] = 97/4 

=> x . 11/2 = 97/4

=> x = 97/4 : 11/2 = 97/22

đúng nha