Đáp án:
Giải thích các bước giải:
P - ( 2xy² + 8y³ + 7x ) = 4xy² + x
⇒ P = 4xy² + x + ( 2xy² +8y³ + 7x )
⇒ P = 4xy² + x + 2xy² +8y³ + 7x
⇒ P = 8y³ + 6xy² + 8x
Đáp án: P=2((4y^3)+(3xy^2)+4x)
Giúp mik vs ạ...........................................................
Cho biểu thức A = x + 1 / |x| Tìm giá trị lớn nhất của A
Lập dàn ý cho đề bài sau:Vẻ đẹp và số phận của nhân vật Vũ Nương trong văn bản"Chuyện người con gái Nam Xương" của Nguyễn Dữ(Giúp mk kết bài thui!!!)
1. What........ you (do)............ next Sunday? * 1 điểm 2. He usually..................... (jog) in the morning. * 1 điểm 3. My brother................... (watch) TV at the moment. * 1 điểm 4. Her sister........................… (skip) now. * 1 điểm 5. I can.................... (speak) English. * 1 điểm 6. She....................... (visit) her aunt next week. * 1 điểm 7. At the moment, the children..................... (play) soccer in the garden. * 1 điểm 8 . She................... (go) camping tomorrow. * 1 điểm 9 . How often …….he (go) …….swimming? twice a week. * 1 điểm 10. Nga and Lan (go) to school six days a week. * 1 điểm 11. How often Mai (go) fishing? * 1 điểm 12. How long you (stay) in Hue? For a week. * 1 điểm 13. .Look! The snow (fall). * 1 điểm 14. Look! The boys (play) soccer now. * 1 điểm 15 . She (play)................................. badminton at the moment ? * 1 điểm 16. He often (take)............................a bus to school ? * 1 điểm 17 . He (not study)............................................Math at the moment. * 1 điểm 18 . We (not see)......................Nga since Monday. * 1 điểm 19. Lan (be).....................in the USA for 2 years. * 1 điểm 20. I (go) .................to bed at 11 o’clock last night. * 1 điểm 21. They (move).......................to London in 2003. * 1 điểm 22. They (live)..................in HCM city since January. * 1 điểm 23. I (buy)...................the motorbike 5 years ago. * 1 điểm 24. Peter (be)................ill for a week. * 1 điểm 25.. I (just send).................... a letter. * 1 điểm 26 . He(work).....................for that company for 5 years. * 1 điểm 27. What you (do) ……………………… every morning ? * 1 điểm 28. Would you like (come) …………. To dinner tomorrow ? * 1 điểm 29. They were proud of (be) ……………… so successful. * 1 điểm 30. My sister (wash)……………….the dishes every day. * 1 điểm CHIA DONG TU
Vẽ đậu mầm cute (ưu tiên đậu mầm cười lăn lóc) y/c: digi not tradi, có tâm:))) NL: Sì lây đề:)))
1. My sister hasn’t come to Lan’s house before. This is the first time 2. He has never come to this house before. This is the first time 3. This is his first visit to Hanoi. This is He has 4. I have never seen a dirtier-looking dog before. This is 5. My father has not talked to my teacher before. This is Giúp mình với ạ mình đang gấp
Bài 1: Tính nhẩm: a) 8,42 : 0,5 b) 623,4 : 0,25 65,9 x 0,001 805,12 x 0,01 Bài 3: Tính bằng cách thuận tiện nhất: a) 9,12 x 6 + 4 x 9,14 b) 43,2 x 14 – 43,2 : 0,25 Bài 4: Quãng đường từ Nam Định đến Hà Nội dài 96km. Một người đi xe máy từ Nam Định khởi hành lúc 8 giờ 45 phút đến Hà Nội với vận tốc 40km/giờ. Hỏi người đi xe máy đó đến Hà Nội lúc mấy giờ?
CỨU TÔI :)))))) MAI THI ANH RỒI Question 7. [TH] Choose the correct option A, B, C, or D for each gap to complete the following passage. Many human activities over the last 200 years have been responsible (5) ________ polluting the air and damaging people’s health. Automobile engines and power plants burn combustible (dễ cháy) (6) ________ like gasoline and coal and allow toxic gases and smoke to escape into the air. Some pollutants destroy the ozone layer, which is the thin blanket of gases that (7) ________ Earth from the Sun’s dangerous ultraviolet rays. Other pollutants contribute to (8) ________ warming by adding to the planet’s natural greenhouse effect. A. covers B. protects C. stops D. damages Question 8. [TH] Choose the correct option A, B, C, or D for each gap to complete the following passage. Many human activities over the last 200 years have been responsible (5) ________ polluting the air and damaging people’s health. Automobile engines and power plants burn combustible (dễ cháy) (6) ________ like gasoline and coal and allow toxic gases and smoke to escape into the air. Some pollutants destroy the ozone layer, which is the thin blanket of gases that (7) ________ Earth from the Sun’s dangerous ultraviolet rays. Other pollutants contribute to (8) ________ warming by adding to the planet’s natural greenhouse effect. A. environmental B. thermal C. temperature D. global Question 9. [TH] Read the text and choose the correct answer A, B, C, or D for each of the questions. ALASKA Alaska is called the Land of the Midnight Sun because in summer, the sun does not set for nearly three months. But in winter the sun stays almost unseen. All Alaskans take special pride in their beautiful and unique state. Alaska is perhaps the most amazing state in the USA. It has coastlines facing both the Arctic Ocean and the Pacific Ocean. This state has an incredible three million lakes. That’s four lakes per person living there. Many cities in Alaska cannot be reached by road, sea, or river. The only way to get in and out is by air, on foot, or by dogsled. That’s why Alaska has the busiest sea airport in the world, Lake Hood Seaplane Base. Nearly two hundred floatplanes take off and land on the water of this airport every day. It’s really a fun scene to watch. Alaska ______________. A. is another name for the USA B. is an island in the Pacific Ocean C. has coastlines facing both the Pacific and the Arctic Oceans Question 10. [TH] Read the text and choose the correct answer A, B, C, or D for each of the questions. ALASKA Alaska is called the Land of the Midnight Sun because in summer, the sun does not set for nearly three months. But in winter the sun stays almost unseen. All Alaskans take special pride in their beautiful and unique state. Alaska is perhaps the most amazing state in the USA. It has coastlines facing both the Arctic Ocean and the Pacific Ocean. This state has an incredible three million lakes. That’s four lakes per person living there. Many cities in Alaska cannot be reached by road, sea, or river. The only way to get in and out is by air, on foot, or by dogsled. That’s why Alaska has the busiest sea airport in the world, Lake Hood Seaplane Base. Nearly two hundred floatplanes take off and land on the water of this airport every day. It’s really a fun scene to watch. Which statement below is NOT correct? A. In Alaska, the number of lakes is bigger than that of people. B. There is one lake for each person living there. C. Alaska has an incredibly high number of lakes.
tính DE ntnao ạ giúp mình nhanh với ạ mình cảm ơn
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