user-avatar
sarah0511
2 năm trước
cho tam giác ABC cân tại A . Trung tuyến BM . Trên tia đối MB lấy D sao cho DM = BM a) Chứng minh : tam giác BMC = tam giác DMA , AD // BC b) Tam giác ACD cân c) Trên tia đối của tia CA lấy điểm E sao cho CA = CE . Chứng minh DC đi qua trung điểm I của BE
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

giải thích vì sao chọn simple present hay chọn present cotinuous ( đã có đáp án sẵn) *ko trả lời tùm bậy * HW1 Put the verbs into correct form – Simple Present Tense or Present Continuous. 1. Lorie (travel) ........................................... to Paris every Sunday. 2. Be quiet! The baby (sleep) ........................................... 3. The swimming pool (open) ........................................... at 7 in the morning. 4. Don’t forget to take your umbrella. It (rain) ........................................... 5. Smoking (cause) ........................................... millions of early deaths every year. 6. Every Sunday we (go) ........................................... to see our grandparents. 7. He (always/break) ........................................... the window. 8. Look! A man (run) ........................................... after the train. He (want) ........................................... to catch it. 9. Listen! I think someone (sing) ........................................... outside. 10. I live in the city but this week I (live) ........................................... with my aunt in the countryside. 11. Many people (believe) ........................................... that he is 104 years old. 12. Sandra usually (walk) ........................................... to work, but this week she (drive) ........................................... her car. 13. Lynn (look) ........................................... for a new job. She (not/like) ........................................... the one she is doing now. 14. She told me about her daughter, but I (not/remember) ........................................... her name. 15. I (write) ........................................... to Mom. You (want) ........................................... to say something to her? 16. Mr. Will (have) ........................................... a business meeting. Can you wait for him? 17. The police (look) ........................................... for fingerprints left in his house now. 18. Our neighbours always (have) ........................................... parties late at night. I can’t sleep at all. 19. The train (always/be) ........................................... on time, so don’t be late. 20. The earth’s temperature (get) ........................................... higher and higher Đáp án 1. Lorie travels to Paris every Sunday ( Simple Present Tense ) 2. Be qiuet ! The baby is sleeping ( Present Continous ) 3. The swimming pool opens at 7 in the morning ( Simple Present Tense ) 4. Don't forget to take your umbrella . It is rainning. ( Present Continous ) 5. Smoking causes millions of early deaths every year.( Simple Present Tense ) 6. Every Sunday we go to see our grandparents ( Simple Present Tense ) 7. He always breaks the window.( Simple Present Tense ) 8. Look ! A man is running after the train. He is wants to catch it .( Present Continous) 9. Listen ! I think someone is singing outside . ( Present Continous) 10. I live in the city but this week I live with my aunt in the countryside ( Simple Present Continous) 11. Many people believes that he is 104 years old. ( Simple Present Tense ) 12. Sandra usually walks to work, but this week she is driving her car. 13. Lynn is looking for a new job. She isn't like the one she is doing now.( Present Continous ) 14. She told me about her daughter, but I don't remember her ( Simple Present Tense ) 15. I write to Mom. Do you wants to say something to her ?( Simple Present Tense ) 16. Mr. Will has a business meeting. Can you wait for him ( Simple Present Tense ) 17. The police is looking for fingerprints left in his house now. ( Present Continous ) 18. Our neighbours always have parties late at night. I can’t sleep at all. (Simple Present Tense) 19. The train always is on time, so don't be late(Simple Present Tense) 20. The earth’s temperature gets higher and higher.( Simple Present Tense)

2018 © Loga - Không Ngừng Sáng Tạo - Bùng Cháy Đam Mê
Loga Team