Trình bày chiến thắng Cầu Giấy lần 1,lần 2 và nêu ý nghĩa P/s: các bn giúp mk, mk vote 5 sao nha!!!!!

Giúp mk bài 2 ,3,4 mk cảm ơn ạ mk sẽ vote 5 sao

giải phương trình 5x^3+6x^2+12x+8=0

Giải hộ mình bài 14 nha. Cảm ơn!

Ai là bạn giúp mình bài này với mình cần gấp

em hãy chứng minh rằng tục ngữ là 1 kho tàng kinh nghiện quý báu mà ở đó cha ông ta đã đúc kết những chân lí nghìn đời về mọi mặt của cuộc sống

II. Supply the correct form or tense of verbs in the brackets: 35. Marconi (invent) ________ the radio. 36. The children must (be) _____________ back by six o’clock. 37. I like (watch) _________ baseball. 38. My mother (not like)________ riding. She (prefer)________ walking. 39. When my father (be)_________ young, he (drink) ____________ a lot of wine. 40. Lan’s family always (watch) __________ TV in the evening. 41. I’d like (tell)_________ you something about myself. 42. many years ago, most people in Vietnam (not have)________ VT sets 43. Nga likes (watch) ________ programs about teenagers in other countries. 44. They(perform) _________ “Romeo and Juliet” last Sunday. 45. We prefer (gather) _______ around TV after dinner. 46. Be careful! The car (come)_____________. 47. Don’t forget (turn off) ________ the lights before going out. 48. Children should (spend) ________ only a small part of their free time (play)___________ video games 49. I like (play) ____________ chess. 50. Hoa rarely (go) ___________ to the movie or (eat)__________ out in the evening. 51. Nam likes (watch) ________ videos in his free time. 52. the police can (identify) _______ the robbers by studying the video. 53. She prefers (socialize) ________ with her friends. 54. Marie Curie (receive)__________ the Nobel Price for Chemistry in 1911. 55. My uncle (send) ______ me postcards every time he (go) _______ away. 56. Ban ad Hoa would like (visit) ______ Hong Kong 57. We can (enjoy) ___________ traditional music. 58. She (learn) ___________ to play the piano when she (be)_______ six years old. 59. He (pay) __________ for his own education at Cambridge University and later he (teach) __________ at this university 60. When ____ Thomas Edison (die) ______? – in 1931 61. I (remember) _________ he (be)___ 42 when the People’s Army of Vietnam (win) ________ the battle in 1945 62. When they (be) _______ young they (leave)___________ their family and (go)________ to Ho Chi Minh City. 63. He (become)________ most famous for the fairy tale he (write) ______ between 1835 and 1872. 64. We (be) ________ at the seaside for ten days last summer. 65. She (see) ________ a movie tonight. 66. They (rehearse) ______ a new play at the moment. 67. You (meet) ________ your friend at the airport tomorrow? 68. The students (not do) ______ their homework now. 69. (Not shout) _________ . Our teacher (come)____________. 70. They (buy) __________ a lot of souvenirs for their parents yesterday. 71. The children (wait) _______ for their parents now? 72. People (sell) ________ out all the newspaper this morning 73. I (study) _______ French next month. 74. Tom (not be) _________ at home last night. He (go)_______ to his English club. 75. My uncle (raise)_________ lots of chickens and pigs at the moment. 76. Where your teacher (be)___? –He (explain) ____ a new lesson in that classroom. 77. I (pick) _____ you up at your hotel in half an hour. 78. Let’s (eat)________ some spinach. 79. Would you like (come) _______ to my house for lunch? 80. Don’t make noise! My favourite bands (perform) _______ the latest songs.

Oxit xủa 1 kim loại có khối lượng mol là 102g, rrong đó khối lượng của kim loại là 52,94%. Xđ oxit đó.

Một mảnh đất hình chữ nhật có chiều dài 30m, chiều rộng 20m. Người ta đào một cái ao hình tròn có bán kính 15m. Tính diện tích đất còn lại là bao nhiêu?

làm hộ mk nha cảm ơn các bạn 1 bài thôi mk ch mn 50 điểm nha mn cố gắng làm hết hộ mk nha