Giải thích các bước giải:
Cho tam giác MNP có góc M =120°, các đường phân giác MI và NK. Tính góc NKI
=> NKI = 30 độ
Đáp án: 30 độ
Giúp e vs mn em hok bt giải bài này ạ
I. Make sentences using the suggested words.(Dùng các từ gợi ý để viết thành câu hoàn chỉnh) 31. There / be / some robots / our hi-tech house / future. ___________________________________________________________________________ 32. They / not might / live / the Moon. ___ ________________________________________________________________________ 33. If / we / make / soil / polluted, many /plants / die. ___________________________________________________________________________ 34. you / have / a hi-tech fridge / future? ___________________________________________________________________________ 35. Thu / do / the test better/ if / she / study / hard. ___________________________________________________________________________
Exercise 3: Write the correct words about jobs. 1…………… work in hospitals and …………….. help them attend patients. 2.…………………. fly planes and helicopters too. 3. ……………………can travel to space in space crafts. 4. A ………………….. brings letters to your house. 5. A …………………. prepares delicious food in restaurants and a ……………….. brings it to your table. 6. …………………….. fix cars when they broke down. 7. A ………………….. cuts your hair when it grows. 8. ……………………. help you learn new things every day.
look at the different forms of the verb be in these sentences . Circle the auxiliary verbs 1. i am going to the seaside today 2. these apples are red and sweet 3.the sun was shining brightly . It was very hot outside 4.who is the writer of the book you are reading ? 5.mary was absent from school yesterday . She was sick 6. mum is in the kitchen. she is baking a cake 7. it was bedtime . sally was putting her toys away 8. be quiet! i am trying to do my homework 9. we were waiting for the bus . it was late 10. this is my brother . he is helping me
* Exercise. Fill in each space with a correct preposition 1. Nam is never late.......school. 2. They are waiting ... Marry ....the bus stop at the moment 3. We often study English .....Monday,Tuesday and Saturday. 4. She built this house ...1998 5. My father often goes to work ...7 o’clock 6. He will come .....6.30 and 7.00 7. Mo will stay with us ....Monday to Friday 8. He arrived ....Singapore.......Monday evening. 9. Goodbye! See you .....Sunday 10. The bus collected us ...5 o’clook early ...the morning 11. We usually go to our home village at least once...the summer 12. They planned to have a trip ...June 13. She loves to watch the stars ...night 14.Nam never travels to work .......car 15. My mother went to work ...foot last Sunday 16. I am very proud .......our school 17. She is fond ......watching T.V 18. He is afraid ...living alone in a big city 19. Mo is angry ...me because I am angry .....her dog 20. Son is interested .......reading novel 21. Ha Noi is famous .......its beauty and its people 22. How .....watching T.V at my home this evenng? 23. Nam is fed up.......doing the same things everyday 24. She is bored .....eating the same thing everyday. 25. It is not convenient ...you to call someone at night. 26. Milk is very good ....our health 27. Ha Noi is very different ....Paris 28. The hall is full ...students waiting ....their teacher. 29. He is always short ...money. 30. They are worried ......missing the train. 31. They left the restaurant ....paying the bill. 32. ....National day, people usually walk in large groups. 33. I am surprised ...his success 34. Thank you very much ......lending me your money. 35. Alexander Graham was born....Edinburgh ....March,1847 36. You should turn..... all the lights before going out. 37. He has to stay ...home to look ....his baby because his mother went ... 38. She is looking ...her lost pen. 39. I will see you......at the airport tomorrow. 40. If you don’t pay the electricity bill,the electricity will be cut....... 41. My mother often buys presents....me on my birthday 42. We have to put ....our shoes before going in the pagoda. 43. My shoe is very old. It was worn ....... 44. My father usually helps me .....my homework. 45. I got up late because my arlam clock didn’t go...... 46. This table was made ....wood 47. Don’t look ...me 48. Mo is very good .......English 49. My car is still .....good condition 50. He is always ...time. GIẢI BÀI TẬP VỀ GIỚI TỪ . GIÚP MK VỚI MN ƠI
my grandparents didn't have a mobile phone,so they used to talk( face to face) A.facing them B.in person C.looking at them D.seeing them
Cho hàm số y=-2x^2(P) tìm điểm thuộc (P) có từng độ -6
cho tam giác ABC (AB=AC) .BD và CE là 2 tia p/giác của t/giác a.c/m bd=ce b. xác định dạng của t/giácADE c. c/m DE//BC
Tính : 45,6% + 1,7+ 3 1/2 - 23,55% + 12,4
Giải giúp em vs ạ e cảm ơn trước
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