1 câu sai chính tả

Có 4 lỗi sai chính tả trong khổ thơ:

+ ” trồi `->` chồi “

+ ” giành `->` dành “

+ ” chảy `->` trảy “

+ ” chông `->` trông “

= 13.5 nha em

Chúc em Học tốt !!!

\(11+2.5\)

\(=11+10\)

\(=21\)

Dễ mà bớt đăng tào lao nha bn

HT

#Jen

là bắp ngô

là bắp ngô nha 

@sherry

HT~~~

11 ngày đầu làm được số sản phẩm là : 11 ngày đầu làm được số sản phẩm là : 

                  11 x 112 = 1232 ( sản phẩm )

14 ngày sau mỗi ngày làm được số sản phẩm là : 14 ngày sau mỗi ngày làm được số sản phẩm là : 

                          14 x 125 = 1750 ( sản phẩm )

Tổ sản xuất đó đã làm được tất cả số sản phẩm là :tổ sản xuất đó đã làm được tất cả số sản phẩm là :

                                1232 + 1750 = 2982 ( sản phẩm )

                                                  Đáp số : 2982 sản phẩm

~HT~

#Jen

11 ngày đầu làm được số sản phẩm là : 

                   11 x 112 = 1232 ( sản phẩm )

14 ngày sau mỗi ngày làm được số sản phẩm là :

                     14 x 125 = 1750 ( sản phẩm )

tổ sản xuất đó đã làm được tất cả số sản phẩm là :tổ sản xuất đó đã làm được tất cả số sản phẩm là :

                      1232 + 1750 = 2982 ( sản phẩm )

Đáp số : 2982 sản phẩm

HT

#Jen

1. Letters are typed in the office by Mary.

2. You’ll be helped by his father tomorrow.

3. The human life has completely been changed with science and technology.

4. This bottle was broken by Peter.

5. English is being learnt in the room.

6. My mind can’t be changed.

7. I hadn’t been told about it.

8. Her telephone number isn’t known.

9. The children will be brought home by my students.

10. I was sent a present last week.

11. We were given more information.

12. All the workers of the plan were being instructed by the chief engineer.

13. Tea can’t be made with cold water.

14. Some of my books have been taken away.

15. The meeting will be held before May Day.

16. The engine of the car has to be repaired.

17. The window was broken and some pictures were taken away by the boys.

18. A lot of money is spent on advertising every day.

19. A story is going to be told by teacher.

20. A cake is being cut with a sharp knife by Mary.

21. The woman with a red hat was looked at by the children.

22. The victims have been provided with food and clothing.

23. English is spoken in almost every corner of the world.

24. This machine mustn’t be used after 5:30 p.m.

25. After class, the chalk board is always erased by one of the students.

26. Is English taught here?

27. Will she be invited to your wedding party?

28. Has the work been finished by Tom?

29. Were some exercises given by the teacher?

30. Has the window of the laboratory been changed?

Cre: gg

#Jen

1. 1. Letters are typed in the office by Mary.
2. 2. You’ll be helped by his father tomorrow.
3. 3. The human life has completely been changed with science and technology.
4. 4. This bottle was broken by Peter.
5. 5. English is being learnt in the room.
6. 6. My mind can’t be changed.
7. 7. I hadn’t been told about it.
8. 8. Her telephone number isn’t known.
9. 9. The children will be brought hnh độ tiếng Anh lớp 4 số 1ome by my students.
10. 10. I was sent a present last week.
11. 11. We were given more information.
12. 12. All the workers of the plan were being instructed by the chief engineer.
13. 13. Tea can’t be made with cold water.
14. 14. Some of my books have been taken away.
15. 15. The meeting will be held before May Day.
16. 16. The engine of the car has to be repaired.
17. 17. The window was broken and some pictures were taken away by the boys.
18. 18. A lot of money is spent on advertising every day.
19. 19. A story is going to be told by teacher.
20. 20. A cake is being cut with a sharp knife by Mary.
21. 21. The woman with a red hat was looked at by the children.
22. 22. The victims have been provided with food and clothing.
23. 23. English is spoken in almost every corner of the world.
24. 24. This machine mustn’t be used after 5:30 p.m.
25. 25. After class, the chalk board is always erased by one of the students.
26. 26. This dish is brought to me (by the waiter).
27. 27. These postcards are sent to us(by our friend).
28. 28. This story was told to them(by their grandmother) when they visited her last week.
29. 29. This train ket was ordered for Tim's mother.
30. 20. The special cameras weren't showed to me.

@sherry 

HT~~~(^^)

Căn phòng có diện tích là : 400 x ( 30 x 30 ) =360000 (\(cm^2\)

đổi : 360000 \(cm^2\)=36 \(m^2\)

DS 36\(m^2\)\(cm^2\)

Bài giải :

Diện tích 1 viên gạch hình vuông là :

         30 x 30 = 900 (cm²)

Diện tích căn phòng là :

         900 x 400 = 360000 (cm²)

                          Đáp số : 360000 cm²

Một tờ giấy hình chữ nhật có diện tích 3,6 dm2 và chiều rộng bằng 2/5 chiều dài. Tính chu vi tờ giấy đó.

Hello My name is Pham Kim Ngan . miss Tuan Anh from Ha Noi.

#Y/n

Ha Giang