20035 + 651 = 20686

Bài 1: Change the sentences to relative clauses.

1. She's just bought a handbag made of crocodile skin.

=> She's just bought a handbag which os ade of crocodile skin

2. The story told by my grandma was interesting.

=> The story which was told by my grandma was interesting

3. Those students wanting to go to Big White for snowboarding need to pay soon.

=> Those students who are wanting to go to Big White for snowboarding need to pay soon

4. ESL students attending summer session must register by Friday.

=> ESL students who are attending sumer session must register by Friday

5. The monument built a hundred years ago is very famous.

=> The monument which was built a hundred years ago is very famous

6. The architect designing these flats has moved to HCM city.

=> The architect who is designing these flats has moved to HCM city

7. Most of the goods made in this factory are exported.

=> Most of the goods whichs are made in this factory are exported

8. Studying abroad is the wonderful thing for us to think about.

=> Studying abroad which we think about is the wonderful thing

9. We have a peg to hang our coat on.

=> We have a peg which we hang our coat on

10. Vo Nguyen Giap, the first general of Vietnam, passed away a few years ago.

=> Vo Nguyen Giap, who is the first general of Vietnam, passed away a few years ago.

Exercise 1 : Chia động từ

1 They (start).....started........to learn English when they (be).........were........10

2It (not rain).....doesn't rain....in the dry season

3 Somethings (smell).........smells........good in the kitchen now

4 He (drink ) .....drinks ....... a cup of coffee before going to work every moring

câu trả lời số 3 là đúng 

x=125,76 : 1,6

x=78,6

Tổng số phần bằng nhau là:

4+1=5

Bao thứ nhất có số kg gạo là:

80:5x4=64

Bao thứ hai có số kg gạo là:

80-64=16

(Nếu cần thiết thì e vẽ sơ đồ ra cho dễ hiểu nhé. Cần j thì c sẽ giúp)

Ai tích mk mk tích lại

trời, alaude là người bình luận nhìu nhất bài này và là người đem ra nhìu cách chứng minh nhất

1. He has never gone abroad before.

2. She has driven for 1 month

3. We have eaten since it started to rain

4. I haven't had my hair cut when I left her

5. She hasn't kissed me for 5 months.

6. We haven't met for a long time.

7. How long have you had it?

8. I haven't had a delicious meal before

9. The last time I saw him was 8 days ago.

10. It is my first time I have ever taken bath since Monday

gọi chữ số hàng chục là x

chữ số hàng đơn vị là 14 - x

số ban đầu là x nhân 10 cộng 14 - x nhân 0 thì được 10x

nếu thêm chữ số 1 vào giữa 2 chữ số thì được: x nhân 100 cộng 1 nhân 10 cộng 14 - x nhân 0 bằng 

Theo đề bài ta có phương trình

100x cộng 10 trừ cho 10x bằng 550

 x bằng 6

vậy chữ số hằng chụ là 6

chữ số hằng đơn vị là 8