Nền căn phòng nhà bạn Mai là một hình chữ nhật có chiều rộng là x(m) và chiều dài hơn chiều rộng 6(m). a) Viết biểu thức đại số biểu thị diện tích nền của căn phòng. b) Thay x = 3 vào biểu thức đó rồi thực hiện phép tính. c) Gia đình Mai dự định lát nền căn phòng bằng gạch hình vuông có cạnh là 30(cm). Em hãy giúp bạn Mai ước tính số gạch cần mua để lát nền toàn bộ căn phòng đó. Biết rằng, căn phòng nhà bạn Mai có diện tích bằng giá trị của biểu thức tìm được ở câu b và coi khoảng cách giữa hai viên gạch liền kề khi lát nền là không đáng kể.

1 She has cut herself and it's quite _____ badly (blood) 2 Peple use first - aid to ease the victim's pain and _____ ( anxious ) 3 Relax for some minutes and you'll feel more _____ ( comfort ) 4 She was _____ for days after the accident ( conscious )

Em hãy viết bài văn ngắn phân tích hình ảnh ông Đồ trong sự đối lập giữa thời huy hoàng (khổ 1,2) và thời suy tàn (khổ 3,4). Từ đó nêu lên suy nghĩ của em về những giá trị văn hóa truyền thống . Không chép mạng nha Giúp mình với !!!!

Phân tích đa thức thành nhân tử a3 – b3 + c3 + 3abc

They will buy a new apartment near the airport next year.--> A new apartment __________________________________ My mother bought a new bike for me last month.--> A new bike __________

Exercise 3: Choose the correct article in brackets to fill in the blanks. The bundle of sticks Once upon a time, there was (1) _____ (a/ the) woman who had six sons. The six boys were always fighting. This made it difficult for the mother to do any work. (2) _____ (The/ A) woman decided to teach her sons (3) _____ (a/ the) lesson. She got six sticks and tied them together into (4) _____ (a/ an) bundle. She asked each boy to break (5) _____ (the/ a) bundle of sticks. All (6) _____ (the/ a) boys tried very hard to break it but they could not. Then, their mother untied the bundle and gave each boy (7) _____ (a/ the) stick. She asked them to break (8) _____ (the/ an) stick. This was easy! The sons understood that it was better to work together. They entered (9) _____ (a/ the) competition to build a house. They won (10) _____ (a/ the) competition because they had all worked together. Exercise 4: Choose the correct quantifier in brackets to fill in the blanks. The goose that laid golden eggs Once upon a time, there was a lazy farmer. He did not like doing (1) _____ (too many/ too much) work so he sold his animals to get money. Soon, there were (2) _____ (not many/ not much) animals left, but only one – a goose. The goose laid only one egg every day and the farmer sold it. But the farmer had (3) _____ (too much/ too many) problems and needed more money. One day, the goose laid a golden egg. The farmer sold this egg for a lot of money. The goose laid a golden egg every day. The farmer was very happy because it was (4) _____ (not many/ not much) work to sell one egg a day and he became rich. But he became greedy. He though I can never have (5) _____ (too money/ too much) money! He wanted more golden eggs. He fed the goose (6) _____ (too many/ too much) food but it still laid only one egg a day. The farmer became angry. The goose was taking (7) _____ (too much/ too many) time. The farmer cut open the goose to take out the eggs but there were no eggs inside it. Of course, this caused (8) _____ (too many/ too much) pain to the goose. The goose died. The farmer became poor again because of (9) _____ (too much/ too many) greed. (10) _____ (Not many/ Not much) people are as cruel and greedy as him. Exercise 5: Choose the correct adjective in brackets to fill in the blanks. Greece Greece is a country in Europe. Its capital city is Athens, which is a very (1) _____ (beautiful/ beauty) city with many very (2) _____ (elder/ old) monuments. One very (3) _____ (fame/ famous) monument is the Acropolis. There are lots of islands in Greece and it also has a very (4) _____ (long/ length) coastline. Many tourists go to Greece on holiday to enjoy the warm (5) _____ (blue/ yellow) sea, and to et the (6) _____ (taste/ tasty) Greek food. Greeks eat a lot of (7) _____ (freshly/ fresh) fish and vegetables. Greek houses are usually (8) _____ (white/ whiter) and have (9) _____ (flat/ flatly) roofs. People can use these roofs to dry fruit in the (10) _____ (hot/ hottest) summer and collect rainwater in the winter. Exercise 6: Fill in the blanks with the correct subject pronoun in brackets. My Aunt Betty My Aunt Betty is a teacher. (1) _____ (She/ He) works in a small primary school near my house. In her class, there are thirty-five children. (2) _____ (It/ They) all work very hard at school. One day, I was walking with my aunt when (3) _____ (we/ he) met some children from her class. She greeted them and they waved to me. “Hello,” (4) _____ (it/ they) said to me. “(5) _____ (We/ She) are in your aunt’s class at school. She is a very good teacher and we all like her very much. (6) _____ (He/ You) are lucky she is your aunt.” “Thank you,” (7) _____ (he/ I) said. “Yes, I think (8) _____ (she/ I) am lucky too. (9) _____ (You/ She) is a very good aunt.” “And I am very lucky to have you,” added my aunt, smiling at me. And (10) _____ (we/ it) all laughed.

Giúp mình 1 câu này nhé ^^ Tính giá trị góc tới $i_{gh}$ phản xạ toàn phần trong trường hợp ánh sáng đi từ: a- Nước có chiết suất 4/3 sang không khí. (0,5 điểm) b- Thủy tinh có chiết suất 3/2 sang nước có chiết suất 1,333. $i_{gh}$

Giải hộ mk gấp Hứa vote 5 sao và cảm ơn

Vì sao nhà Nguyễn lại hạn chế buôn bán với phương nhân phương Tây?

tìm giá trị lớn nhất , giá trị nhỏ nhất của biểu thức -{x-2}^4-|y-1|+1