mình vừa làm bài này

Gọi số cần tìm là ab ( a khác 0 ; a , b < 10 ) . Ta có :

                       ab . 9 = 2ab

                       ab . 9 = 200 + ab

                 ab .9 - ab = 200

                      ab . 8 = 200

                              ab = 200 : 8

                              ab= 25

 Vậy  số cần tìm la 25 

1, stay / grandparents / vacation / are / with / next / we / to / our / going / summer

=> We are going to stay with our grandparents next summer vacation.

2. next / photocopy / what / store / there / the / is / to ?

=> What is there next to the photocopy store?

3, in / are / how / of / house / there / many / your / cans / food ?

=> How many cans of food are there in your house?

4. Nam / does / often / what / have / lunch / for ?

=> What does Nam often have for lunch?

TICK CHO MÌNH NHA BẠN!!!!!!!!

1. She in interested in watching television.

--> She likes watching television.

2. The Nile is the longest river in the world.

--> No river in the world is longer than the Nile.

3. We live near the school, but they don't.

--> They live far from to school but we don't.

4. We will probably go to the Moon for our summer holidays in 2050.

--> We might go go to the moon for our summer holidays in 2050.

5. In the future, home robots can do all our housework.

--> In the future, home robots will be able to do all our housework.

TICK CHO MÌNH NHA!

Có 3 loại thân : thân cứng,thân leo, thân bò

1.1.D

2.C

3.A

4.B

5.A

1.The oranges are ten each pence.

2.Let him to do it him self.

3.The weather here often changes quickly. It's difficult to forecast.

4. How are we going to travel there? Let's call a taxi.

9. 65.1. wear

2.go

3. in

4.any

5.hic

6.re

7.t

8.the

9. rink

10. many