a) tim x biet 3x.(x-2020)-x+2020=0 b) tim a de da thuc x^4-3x^3+4x^2-6x+a chia het cho da thuc x^2-3x+2

Kim loại nào sau đây không phải là kim loại màu : A:Thép B:Nhôm C:Bạc D:Đồng

CHo tứ giác ABCD , gọi M , N , P , Q lần lượt là trung điểm của các cạnh AB , BC , CD , DA . Các đường chéo AC , BD có điều kiện gì thì tứ giác MNPQ là hình chữ nhật A . AC vuông góc với BD B , AC // BD C , AC = BD D , AC > BD

Vẽ sơ đồ nguyên lí và sơ đồ lắp đặt gồm:3 cầu chì,4 bóng đèn,4 công tắc,3 ổ cắm

làm giúp mình nha ( bài 1,2) mình cho ctlhn

Giúp em bài anh văn trắc nghiệm vs ạh 34-41😭😭😭😭😭😭😣😣😣😣😣😰😰😰 ai giỏi anh văn giúp e vs

nhanh ạ,nhanh nhanh nhanh nhanh nha Suy ngĩ về tình cảm gia đinh(viết 1 đoạn văn nha)

A đang đi trên đường bất ngờ bị B từ trong lao ra cầm dao đâm chết. Như vậy B đã có hành vi vi phạm pháp luật đúng hay sai. Vì sao

1ark the letter A, B, C or D on your answer sheet to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions. A. frame B. surface C. birthplace D. layer 2Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions. It’s not easy to get along with each other in this ____________ society. A. metropolitan B. multicultural C. urban D. rural 3Mark the letter A, B, C or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions. Our neighbour looked for our pet when we were away. A B C D A.our B. looked for C.when D.away 4Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions. Conical hat making in the village has been passed ............... from generation to generation. A. up B. over C. down D. on 5Mark the letter A, B, C or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions. Sarah wondered if to attend the second language learning course. A B C D A.if B.attend C.language D.course 6Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions. “I feel depressed because of my test’s bad result.” – “_______________” A. Let’s go. I can’t wait B. You did a good job C. Keep calm. Everything will be alright D. It’s very kind of you 13 7Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions. My father has been feeling much better since he _____________ smoking. A. looked up B. set up C. gave up D. turned up Mark letter A, B, C or D on your answer sheet to indicate the sentence that is closest in meaning to the original sentence in each of the following questions. The authorities are trying to solve the overpopulation of the city. A. The authorities are trying to face up with the overpopulation of the city. B. The authorities are trying to face with the overpopulation of the city. C. The authorities are trying to deal with the overpopulation of the city. D. The authorities are trying to deal up with the overpopulation of the city.

chuyển câu hỏi sang câu bị động đang cần gấp ạ