Bài tập) $ a $) Tìm $ a $, $ b $, $ c $: `a/2 = b/3 = c/4` và $a^{2}$ $ - $ $b^{2}$ $ + $ $ 2 $$c^{2}$ $ = $ $ 108 $.

Vẽ đậu mầm cu te ............................................................................................................................

Cho ΔABC vuông tại A; p/giác CD. Gọi H là hình chiếu của điểm B trên dg thẳng CD. Trên tia CD lấy điểm E sao cho H là trung điểm của BE. Gọi F là giao điểm của BH và CA. CMR: a) ^CEB=^ADC; ^EBH=^ACD b) BE vuông góc với BC c) DF vuông góc với DE

câu 1 1. Cho các từ sau: khó khăn, chậm chạp, mong ngóng, nhỏ nhẹ, mong mỏi, tươi tốt, tươi tắn, đỡ đần. Xếp các từ trên vào hai nhóm: từ ghép, từ láy. 2.Xác định nghĩa của từ "chạy" trong các kết hợp từ dưới đây rồi chỉ ra các từ đó được dùng theo nghĩa gốc hay nghĩa chuyển -Thi chạy 100 mét -Hàng bán chạy

Mọi người giúp mình với mình cần gấp

ai thi VMO ko giúp em câu tuyển học sinh thi IMO em ko tìm đc đáp án

-Can you play a football hay Can you play fooball ms đúng -Can you a daw hay Can you daw ms đúng -Can you play fly a kite hay Can you play a fly a kike hay Can you fly a kike md đúng -Can you play a badminton hay Can you play badminton ms đúng - -Can you Paint hay Can you play a Paint ms đúng -

Vẽ nhóm BFF 5 người (1 người tọc ngắn xoăn, 4 người tóc dài) Yêu cầu: Vẽ có tâm xíu

Anh chị hộ e với ạ e đang cần gấp

1. She _____ to be a ballet dancer when she _____ up. A) go / grow B) going / grows C) goes / grows D)’s going / grows 2. We _____ to stay in a villa in France this summer. A) going B) ‘re going C) to go D) go 3. I’m going _____ Peter tonight. A) see B) seeing C) to see D) saw 4. Careful! The glass is _____ fall. A) going B) going to C) goes to D) go to 5. We _____ to Paris this weekend. A) going B) go C) ‘re going D) to go 6. I’m saving my money _____ a CD player. A) buying B) to buy C) buy D) bought 7. We’re going to Paris _____ a holiday. A) to have B) have C) having D) had 8. They _____ both _____ to become TV stars. A) are / go B) are / going to C) is / going D) are / going 9. What’s she going _____ ? A) do B) doing C) to do D) did 10. She wants _____ in Paris and Moscow. A) dancing B) dance C) is dancing D) to dance 11. They _____ going _____ a car this year. A) aren’t / get B) aren’t / getting C) aren’t / to get D) aren’t / got 12. She _____ traveled to most parts of the world. A) have B) is C) has D) will 13. _____ you ever _____ in a car accident? A) Has / been B) Have / been C) Have / be D) Have / was 14. She _____ to Russia two years ago. A) go B) went C) gone D) goes 15. “_____ you _____ to Russia.” - “Yes, I _____ .” A) Had / be / haven’t C) Have / be / have B) Has / been / have D) Have / been / have 16. Have you _____ your homework? A) do B) to do C) done D) did 17. I haven’t done it _____ . A) yet B) already C) just D) since 18. I’ve _____ the latest Star Wars film. I _____ it last week. A) seen / saw B) see / saw C) seen / seen D) saw / saw 19. She’s _____ the letter. She _____ it yesterday. A) wrote / wrote B) written / written C) wrote / written D) written / wrote 20. They’ve _____ lunch. They _____ it at 12 o’clock. A) have / had B) had / have C) had / having D) had / had