Các bạn ơi làm mẫu cho mình câu a với. Lần đầu lắm bí ngay từ lúc vào

Cho hình chữ nhật ABCD, AB = 4, BC = 3. Tính: a, |vecto AD + vecto AB| b, |vecto AB + vecto AC + vecto AD| c, |vecto AB + vecto AC| d, |vecto AC + vecto AI|. Biết I là trung điểm của BC

Bài : tính hợp lí Lm hộ mình bài nay nhanh

làm đúng vào nha chi tiết vào bùng nổ dân số ở đới nóng có ảnh hưởng gì tới tài nguyên môi trường và kinh tế đời sống các nước trong khu vực

Phân tích đa thức thành nhân tử : a. 2x²x² (2x + y) + y²z² (z - y) - 4z²x² (2x - z) b. be(a + b)(b - c) - ac(b + d)(a - c) + ab(c + d)(a - b) c. (x - y)³ + (y - z)³ + (z - x)³

Giúp em với ạ 🙏🥺🥺 Em đang cần gấp lắm 🙏🙏 Giải thích hộ ạ

C or D h mn.........................

maryam often goes to the ..... to pray because she is islamic A mosque B pagoda C temple D church

Hãy tưởng tượng mình là An Dương Vương và kể lại câu chuyện An Dương Vương và Mị Châu Trọng Thuỷ theo ngôi thứ nhất

1. A: What (you,do) ________________ every day before you come to class? B: I (eat) ________________ breakfast. 2. A: What (you, do)________________ last night? B: Last night I (eat)________________ dinner. Then I (visit) ________________ some friends, and later I (write) ________________ a couple of letters. 3. A: What (you,do) ________________right now? What activity is in progress right now, at this exact moment? B: Right now I (talk) ________________ to you. I (answer) ________________ your questions. 4. A: Where were you at this exact time yesterday? And what activity was in progress then? B: Let me think. At this time yesterday, I (be) ________________ at the bookstore. I (look) ________________ for the books I needed to buy for this class. 5. A: How many questions (I, ask) ________________ since we began this exercise? B: I think you (ask) ________________ me five or six questions since we began this exercise. 6. A: What (you,do) ________________ for the past five minutes? B: I (talk) ________________ to you for the past five minutes. I (start) ________________ talking to you five minutes ago, and I (still, talk) ________________ to you. 7. A: Where (you, be) ________________ tomorrow morning? B: I (be) ________________ in class tomorrow morning. 8. A: What (you,do) ________________ at this exact time tomorrow? B: Right now I (sit) ________________ in the classroom. And at this exact time tomorrow, I (sit) ________________ in the classroom. 9. A: What (you, do) ________________ by the time you got to class today? In other words, what is one activity that you (complete)________________ before you (arrive) ________________ in class today? B: Well, for one thing, I (eat) ________________ breakfast by the time I got to class today. 10. A: What (you, do) ________________ by the time you go to bed tonight? Name one activity that you (complete) ________________ before you (go) ________________ to bed tonight. B: I (eat) ________________ dinner by the time I (go) ________________ to bed tonight.