cho tam giác ABC vuông tại A có góc C=30độ. Tia phân giác góc B cắt BC tại E .Từ E về EH vuông BC (H∈BC). a) tính góc B. b) CM : tam giác ABE=tam giác HBE. c) CM: tam giác EAH cân. d) từ H kẻ HK song song với BE (K∈AC). CM: AE=EK=KC

II. Choose the word whose main stressed syllable is placed differently from that of the other in each group. 1. A. silent B. noisy C. pretty D. polite 2. A. station B. season C. police D. sandal 3. A. agree B. hurry C. enter D. visit 4. A. fasten B. describe C. listen D. hover 5. A. degree B. student C. funny D. widen 6. A. traffic B .dancer C. cycling D. balloon 7. A. central B. gripping C. complete D. boring 8. A. obey B. enter C. answer D. listen 9. A. station B. healthy C. safety D. alone 10. A. tidy B. compete C. extend D. mistake

1. Be quiet or you will not understand the lesson. -> If _______________________________________________________________ 2. Practice speaking English every day or you won’t improve your English. -> If _____________________________________________________________ 3. “ Don’t phone me at night,” she told him -> She told him_______________________________________________________ 4.My friend said to me “ I am unhappy because I don’t have any friends.” -> My friend told me___________________________________________________ 5. She talks so much in class. -> I wish ___________________________________________________________ 6. It’s a shame. My son is so lazy. -> I wish _________________________________________________________ 7. Loan cleans the floor every day. -> The floor_________________________________________________________ 8. The little girl has opened the present excitedly. -> The present________________________________________________________ 9. Mr. Brown last painted the living room two years ago. -> Mr. Brown hasn’t____________________________________________________ 10. She had to wear a coat because it was so cold. -> It_________________________________________________________________ 11.Be hurried or you will miss the train. 🖎If you _______________________________________________________________ 12. “ How do you go to school today, Hoa?” 🖎 Mr Thanh asked________________________________________________________ 13.We got bad grades because the test was hard. 🖎 The test was________________________________________________________ 14. We have to finish the test on time.. 🖎 The test _________________________________________________________ 15. I don’t have enough time to help you. 🖎I wish_________________________________________________________________ 16.I don’t like being so short. 🖎I wish__________ ______________________________________________________ 17. I am excited about the coming festival. 🖎I am looking ___________________________________________________________ 18. Carol finds it easy to make friends. 🖎Carol has no ___________________________________________________________ 19. It’s nearly twenty years since my father last saw my uncle. 🖎My father hasn’t____________________________________________________ 20. The journey to the village was very interesting to the boys. 🖎The boys felt _________________________________________________________

TÌM X : a, 15-(4-x)=6 b, -30+(25-x)=-1 c, x-(12-25)=-8 d, (x-29)-(17-38)=-9 e, 22-(-x)=12 g, (x+5)+(x-9)=x+2 h, (27-x)+(15+x)= x-24 MỌI NGƯỜI GIẢI ĐÀNG HOÀNG KHÔNG EM TỐ CÁO ĐÓ. EM CẦN GẤP MỌI NGƯỜI NHANH LÊN NHA. HỨA VOTE 5*. MỌI NGƯỜI GIẢI HẾT NHA 😭😭😭😭

Đâu là nguyên nhân cơ bản chứng tỏ cách mạng tư sản Pháp 1789 là cuộc cách mạng triệt để nhất? A: Cách mạng lật đổ chế độ phong kiến, đưa giai cấp tư sản lên cầm quyền. B: Thiết lập được nền cộng hòa tư sản. C: Cách mạng đạt tới đỉnh cao với nền chuyên chính dân chủ Giacobanh. D: Cách mạng thi hành nhiều biện pháp kiên quyết để trừng trị bọn phản cách mạng.

1.Minh's father is (rich)....................man in this area. 2.Who is (tall).............., your father or your mother? 3.Mary is (intelligent)...............than her brother. 4.Some people think that Music isn't (important)...............as Math or Science. 5.That woman has (many)...............than a lot of instruments. 6.Saxophones are (heavy)....................than a lot of instruments. 7.Traditional pianos are (suitable)....................than key boards for beginners. 8.Mai is (good)....................singer in our class. 9.The guitar is one of (popular)....................instrument among young people. 10.I can't swim (fast)...............as my teacher.

mọi người làm rồi dịch 2 đoạn văn

-5/9x+1=2/3x-10 làm hộ mk ,mk mượn nick của a mk

Ai làm được 2 câu nào thì làm ạ! Ưu tiên mấy bạn chuyên văn nhé!

cho tam giac ABC vuong tai A (AB<AC), duong cao AH, trung tuyen AM. Duong thang vuong goc voi AM tai A cat duong thang BC tai D. a) CMR: AB la tia phan giac cua goc DAH; b) CM: BH x CD=BD x CH