`(5x-1)(1/10y^3-2y^2-2/5y)`
`=1/2xy^3-10xy^2-2xy-1/10y^3+2y^2+2/5y`
`(x+3)(x^2-3x+9)`
`=(x+3)(x^2-x.3+3^2)`
`=x^3+3^3`
`=x^3+27.`
Đáp án+Giải thích các bước giải:
`(5x-1)(1/10 y^3-2y^2-2/5y)`
`=1/2 xy^3-10xy^2-2xy-1/10 y^3+2y^2+2/5 y`
`=x^3+27`
Give the correct form of the word in brackets. 1. One of the…………………………...…… in my hometown is the traditional market, which is open every Sunday. (ATTRACT) 2. What are the differences between Dong Ho …………and Sinh ones? (PAINT) 3. This is a very beautiful piece of ………………….…. (EMBROIDER) 4. ………………is one of the biggest problems in this city. (EMPLOY) 5. Photography is strictly …………………….…. in this museum. (FORBID) 6.These baskets are ……………………….. fromstrips of bamboo. (WEAVE) 7.These ……. live mainly on farming and makingincenseswhencrops are over.( VILAGE) 8.It’s a……………….place whereanyonecanborrow books and takethem home to read.(EDUCATE)
cho 200ml dung dịch hcl 4M tác dục hết với 7.8 gam hỗn hợp hai kim loại Mg và Al a, viết phương trình hóa học xảy ra b, tính % khối lượng mỗi kim loại có trong hỗn hợp đầu
1.a. culture b. popular c. regular d. fabulous 2.a. conflict b. forbidden c. reliable d. determine Mark letter A, B, C, or D to choose the word whose main stress position is placed differently from that of the others in each group. 3. a. cosmopolitan b. communication c. multicultural d. metropolitan 4.a. acceptable b. affordable c. reliable d. fashionable Mark letter A, B, C, or D to indicate the correct preposition or adverb particle that completes the sentence. 5. These factors contribute making city life more difficult for its residents. a. in b.with c.to d. on 6. Tower blocks from the 60s and 70s could be after Grenfell Tower fire. a. got down b.let down c.turned down d. pulled down 7. The street food in Hoi An is delicious and . a. available b.fabulous c.affordable d. fascinating 8. “Thanks for giving me a ride to work today.” “ I was heading this direction anyway.” a. You don’t need to. b. Yes, thanks. c. No worries. d. I’d love to. 9.Jane said that she come and look after the children the following day. a. can b.will c.could d. should 10.He still doesn’t know how his budget when living alone in the city. a. managing b. to manage c. manages d. Managed 11. The majority of The Viet live along the Red River and The Mekong Delta. A. a half B. all C. minority D. none Mark letter A, B, C or D to indicate the part that is incorrect. 12. The men and animals which were coming through the streets made a big cloud of dust. A. which B. made C. dust D. coming 13. Mrs Lan, with her husband, have gone to Sapa recently. A. with B. have C. gone D. to
Put the verbs in brackets . 1.He (go)………….. .to school by bike every day. 2. Last night, my father (arrive)……………….home at half past nine. 3 .The car looks vere clean. …….Ba (wash) ………….it? 4. I (learn)……………..English at the moment. 5 .My sister enjoys (cook)…………. .dinner very much. 6.The 28th SEA Games (hold)……………in Singapore a month ago. 7. If the rice paddies (be) ………………….polluted, the rice plants will die. 8.Nam wishes he (can)…………………speak English well. 9. I am looking forward to (hear)………………………………. from you 10. I wish I (can)………………….………… speak English well 11. We will go camping tomorrow if it (not rain)………………………. 12. When I came, they (talk)………………………….. happily about the last night’s movie.
Mọi người giúp mình với ạ😘😘😘cảm ơn ạ
Calli:Chán quá NL:Chơi ff tụt từ Huyền hoại xuống KCIII :))))))
giúppppppppppppppppppppppppppppppppppppppppp
Bạn nào giải thích cho mình hiện tương này với ạ.cái bạn trong hình đâng trả lời câu hỏi của mình từ một tiếng trước rồi giờ vẫn chưa xong,ko biết bạn ấy treo hay gì D: Thực sự khi xuất hiện mấy bạn này thì mình toàn phải hỏi lại các câu hỏi thôi à,tốn điểm thực sự >:((
i want to see the m...... because i will choosewhat to order wild animals live in their natural habitats while d......... animals live close humans i play a guitar. i'm a ............. a dentist usually works in a c..................
GIÚP EM VỚI Ạ!!!!!!!!!!!!!!!!!!!!!
Loga.vn - Cộng Đồng Luyện Thi Trực Tuyến