Cho tam giác ABC vuông tại A. Vẽ ra ngoài hình vuông BCPQ. Gọi M,N lần lượt là giao điểm của AP,AQ với BC. Chứng minh rằng: MN^2=CM.CN

giải nhanh giúp em đi các anh chị :(((((((

Performing và Performable khác nhau chỗ nào

Viết đoạn văn khoảng 8 câu để nêu cảm nhận về sự quan sát và miêu tả của tác giả ( bài Cô Tô-Nguyễn Tuân )

Giúp mình với mọi người ơi..... *Viết câu tường thuật, câu Yes/No/Wh- 13. Nga said: “I must finish my work tonight” Nga said (that) 14. Mrs Hoa said: “You forget calling me, Ba.” Mrs Hoa said to Ba (that) 15. She said: “She doesn’t buy this book”.  She said (that) …………………………. 16- “I know why my teacher is here today.” Hoa said …………………………… 17- “ I was here yesterday but you didn’t come “ Minh said to Hoa ……………………………. 18-“ I must post this letter today “- Mai said …………………………………………. V . Yes –No questions : 1. “Are you busy now?”, Phong asked Ba.………………… 2. “Do you have a phone?”,  Hoa asked Lan.……………………………… 3. “Can you ride to school?”, Ba asked Tuan.……………… 4. “May I use your book ?, Nga asked Hoa.……………………………… 5. “Do you spend time swimming?” Tuan asked Ba.………………………… 6. “Will she be here with me?, Tom asked Thu.…… 7. “Do you understand what I say , Mary?”  The man ................................................ 8. “ Are you going to wait for me?”. Minh asked her..................................... 9. “ Is there a canteen at school ?”. He asked me.......................................... 10. “ Does this train stop at York?”.  The old woman asked me........................... 11. “ Do you know who I am , Mary?” Chris asked Mary....................... 12. “ Are you strong to bring this bag?” He asked his sister.................................. 13. “ Can you speak English ?”.  Mr. Brown asked the boy..................... 14. “ Do you see him using my book ?”. Lan asked Thu ………………………… VI . “Wh-” Questions 1. “Where are you living?” Lan asked Nga………… 2. “What does your mom do?”, He asked Hoa.………………… 3. “How far is it from your house to school?” A man asked a girl.……… 4. “How many people are there in your family?”, She asked Lan.……………………………… 5. “How long will you stay in England?, Tam’s friends asked him.………… 6“What is your hobby?” The teacher asked Lien............................... 7“Why do you collect these cans?” She asked Ba. 8“When will you come here?” Hoa asked her mother................................. 9“What are you saying?” Mrs Brown asked Thu.............................. 10“When do schools begin?” He asked Mrs Brown............................... 11“How do you go to market?” She asked him....................................... 12“Where do you learn English?” She asked Lan........................................... 13“What do they save paper for?” Lien asked Ba................................................. 14“How much does this dress cost?” Lan asked

Câu 21-25 NL quan trọng ;-; Ai biết sách này tên gì không ạ ?

II.: Viết lại các câu sau bắt đầu bằng từ cho trước sao cho nghĩa không thay đổi. 1. This is the most delicious cake I've ever tasted. =I've................................ 2. I've never met any more dependable person than George. =George is.............................. 3. There isn't anybody as kind-hearted as your mother. = Your mother is........................ 4. There is no better teacher in this school than Mr John. = Mr John is................................... 5. Have you got any bigger than that one? = Is this.......................................?

mọi người cho mình hỏi tí máy mình ram 4gb tải dc ứng dụng yêu cầu tối thiểu 8gb ram dc ko ạ =((

cho hai số hữu tỉ a/b và c/d (b,d>0) chứng tỏ rằng: - nếu a/b < c/d thì ad< bc - nếu ad< bc thì a/b< c/d

Hướng dẫn chi tiết cho mình giải ạ, mình cảm ơn rất nhiều