P=10m=10×66=660(N)

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cái a thứ 2

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1. I started working for the company a year ago.

I have been ……working for the company for a year………………………………

2. It is one hundred years since the birth of D.H Lawrence, the famous novelist.

D.H Lawrence ………was born one hundred years ago………

3. How long have Catherine and Henry been engaged?

When……were Catherine and Henry engaged …………………………?

4. I last saw him when I was a student.

I haven’t……seen him since I was a student………………

5. It is ages since Alan visited his parents.

Alan hasn’t……visited his parents for ages…………

6. We will not see each other again before I go.

This will be the last time ……we see each other again before I go……………………….

7. The train left before he got to the station.

By the time …he got to the station, the train had left………………………….....

8. The school was founded ten years ago.

It is ten years…since the school was founded…. ………………...........

9. She hadn’t had a relapse for six months.

It was .......six months since she had a relapse....................................

10. I haven’t forgone a meal for two years.

The last time ....I forwent a meal was two years ago.......................................

11 No-one has challenged his authority before.

This is the first time ……his authority has been challenged………………

A nha

a

A

tổng dộ dài đáy lớn và nhỏ là :

`50 xx 2 : 5 = 20(m)`

đáy nhỏ là :

`20 - 13 = 7(m)`

Đáp số : `7m`

                           Giải:

Tổng độ dài hai đáy của hình thang là: 50 x 2 : 5  = 20 (m)

Độ dài đáy bé của hình thang là: 20 - 13 = 7(m)

Kết luận độ dài đáy bé của hình thang là 7m

Ok .

-làm giảm tỉ lệ virus và vi khuẩn làm chết cây

-giúp cây tươi tốt hơn ko bị héo úa

-giúp cho cây luôn khỏe mạnh

-làm cho cây ko bị cỏ lấn chiếm 

-làm cho con người thư giãn hơn sau một ngày mệt mỏi.Ok r bạn nhé 

Nhớ tick xanh đấy pls🥰🥰🥰