- Thế nào là tỉ số của hai số hữu tỉ là a và b hay a : b hoặc a/b
- ví dụ : 2 và 5 là 2 : 5 hay 2/5
Tỉ số của 2 số là a và b là a : b hay a/b
VD: tỉ số của 2 và 3 là 2 : 3 hay 2/3
Qua bài thơ "Đồng chí" của Chính Hữu,hãy viết đoạn văn ngắn xác định vai trò của thế hệ trẻ trong công cuộc xây dựng và bảo vệ Tổ quốc
cho đường tròn tâm O bán kính R, từ điểm M bên ngoài đường tròn vẽ 2 các tuyến MAB và MCD, biết AB=CD. Chứng minh MA =MC
2. 3. Tet holiday is the most important We have to be for Vietnamese people. CELEBRATE when riding our bikes on the streets. CARE to the park. SLOW is communicated through his song. HAPPY COMMUNICATE 4. The old man walked The author's 5. 6. We find Huong very They went to see most of the His sudden The other 7. places. INTEREST 8. must be a shock to her and her family. DIE admired him. COMPLETE 9. 10. . CHOOSE We can only get their by plane. There is no WORD FORM 2 Sony is a big firm which is Doctors and 1. in Vietnamese's market. COMPETE 2. have reported on how we are all affected by the noise around us. SCIENCE between Vietnam and China is recovered. FRIEND DELEGATE 3. The 4. The boss refused to meet the Union's activities will be held tomorrow. CULTURE with me for an hour about the future job yesterday. REASON of the moon for the earth causes the tides. ATTRACT We lost. SUCCESS 5. Many She 6. 7. The Our team played It is said that Hue is a 8. city. PEACE СOMPETE 9. 10. He came first in the WORD FORM 3 Good We are were the keys to the success of the 23th Sea Games. PREPARE interested in AIDS. ESPECIAL 1. Women have to keep their We all have our GENTLE WEAK makes him jobless. SHY right. EXACT His Your answer is Everyone admires her Dick becomes to help the poor. READY because of his laziness. JOB I put my book near the desk for She has one of the biggest stamp CONVENIENT 10. in Britain. COLLECT TWOD D FO RM 4 234567899
Cho 3,2 gam oxit của một kim loại M (hóa trị không đổi)tác dụng hoàn toàn với dung dịch HCl dư thì thu được 7,6 gam muối .Xác định kim loại M
24. Scientific progress supplies us with A. Conveniences B. Convenient C. inconvenience D. develops D. inconveniences D. natured 25. The panda's 26. The Games really became a festival that impressed sports.A. enthusiasts B. enthusiasmC. enthuse 27Did you remember anything Ad.at the party? A. interested B. interesting C. interests 28. In rainy seasons, roads in the village are alyways AlA. mud 29 .Linda likes wearing 30. All the teachers work on an entirely A basis. A. volunteer B. volunteeredC. voluntary D. voluntarily 31. Books are still a cheap way to get information and NA. entertainment B. entertainC. entertaining D. entertainer 32. Life here is very 33. Women usually don't shake hands when being 34. He was so 38. Farmers can enrich the soil by using 39. Nowadays, chemicals are 40. What's your 41. In this course, students receive habitat is the bamboo forest. A. nature B. naturalC. naturally D. enthusiastic D. to interest clothes. A. colour B. muddedC. mudding B. colourfullyC. colourful D. muddy D. colourless A. peacefull B. peaceful C. peace D. peacefulness D. introducer A. introducing B. introduction B. careless C.introduced that he had an accident.A. caring C. careful C. fertilize B. injectingC.inject C. nationality B. instructional C.instruction D. carefully .A. fertile B. fertility D. fertilizers into some fruits to reduce decay.A. injection B. national in the basic English grammar.A. instruct B. respectful of English learning.A. import B. important D. injected D. international ?-I'm Vietnamese.A. nation D. him for his honesty.A. respective C. respectable C. importantly D. respect D. importance D. instructive42. I 43. All of the students appreciate the x 44. We can enjoy live programmes through satellites.A. communicate B. communicationC. communicative communicable of English learningA. Import B. important C.importantly Dt x 45. All of my students appreciate the 46. She is_in asking for bigger salary. She worked hardA. reasonB. reasonable C. unreasonable 47. Are you 48. This book is interesting. It's also well-. 49. My brother is studying 50. Communist is the highest form of WORD FORM 1 1. D. importance D. unreasonably D. sensation D. illustrate D. electrified of the danger that you are facing? A. sense B. sensible A. illustrating B. illustrated engineeringA. Electronic B. electric B. socialist c.senseless C. illustration C. electrical C. society D. socialism A. social The ao dai is the dress of Vietnamese women. TRADITION
Lí giải vì sao khi nền kinh tế việt nam hội nhập kinh tế thế gới vừa là thời cơ vừa là thách thức.giúp mình với mai nộp rồi😭😭
tìm x trong TLT a,x-3/2x-1=x+3/5+2x b,7-x/x+1=3-X/4+X (GIÚP MÌNH VỚI MÌNH ĐANG CẦN GẤP)=)))))))))
Các anh, chị giúp em nhé, hứa sẽ trả ctlhn luôn ạ
Học sinh giỏi toán lớp 12 Cho tam giác ABC có AB = 6cm, AC = 8cm, BC = 10cm. Kẻ AH vuông góc với BC tại H 1) Chứng minh ∆ ABC vuông tại A 2) Gọi ∆ ABC là diện tích ∆ ABC. Tính ∆ ABC 3) Tính AH
Chia f(x) cho g(x): f(x)= 4x^4-10x^3-x^2+15x-5. g(x)=-3+2x^2 Please
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