Đánh giá mình 5* nhé
Đáp án + Giải thích các bước giải:
e)
$x³ - 6x² + 12x - 8$ tại $x = 202$
$= x³ - 3.x².2 + 3.x.2² - 2³$
$= (x-2)³$
hay $(202 - 2)³ = 8000000$
f)
$x³ + 6x² + 12x + 8$ tại $x = 198$
$= x³ + 3.x².2 + 3.x.2² + 2³$
$= (x+2)³$
hay $(198 + 2)³ = 8000000$
Phân tích đa thức sau thành nhân tử: `(n + 1)^4 + n^4 + 1`
Câu 20. Một phân tử mARN gồm 32 bộ ba có trình tự nucleotit như sau: 5’ AUG – UUU – XXX – GGG ... UAA 3’ Thứ tự bộ ba 1 2 3 4 32 Biết ngoài bộ ba UAA ở vị trí số 32 thì trên phân tử mARN trên không xuất hiện thêm bộ ba kết thúc nào khác. Phân tử mARN dịch mã có 5 ribôxom trượt qua 1 lần. Có bao nhiêu phát biểu sau đây là đúng. I. Số axit amin mà môi trường cung cấp cho quá trình dịch mã là 155 axit amin. II. Có tổng cộng 150 axit amin trong tất cả các phân tử protein được tạo ra. III. Phân tử mARN có chiều dài 32,64 nm. IV. Nguyên tắc bổ sung trong quá trình trên là A liên kết với U, G liên kết với X. A.1 B. 2 C.3 D. 4
plss help meeeeee eeeeeeeeeee eeeeeeeeeeeeee
2. If you had come to the party, you __________her. A. would meet B. had met C. met D. would have met 3. She told me that she ______________English literature. A. has studied B. has been studying C. had been studying D. would have studied 4. Find the word that has the underlined part pronounced differently from the others. A. worked B. cleaned C. watched D. stopped 5. The village _______we are going to visit is far from here. A. where B. that C. which D. Both B & C are correct 6. My mother can’t ____________seeing me at home all day. A. stop B. stand C. give up D. suffer 7. Dr Johnson ____________is a very famous man lives next door to me. A. who B. which C. whose D. whom 8. I ___________the heat because I had been living there for a long time. A. use to B. was used to C. got used to D. used to 9. Did anyone clean the windows? No. They ____________but they weren’t A. should clean D. should be cleaned B. should have been cleaned C. should have cleaned 10. My uncle Tom, _____________you met the other day, is one of the best lawyers in the city. A. whose B. that C. whom D. which Giải thích giúp mình với nháaaaa :333
Cho mảng 2 chiều các số nguyên arr với n hàng m cột được nhập từ bàn phím.Bạn hãy viết chương trình cấp phát bộ nhớ động cho vùng nhớ chứa mảng này sau đó hiển thị ra màn hình tổng của các hàng trong mảng.
Câu 3. Hình ảnh “ngựa Hồ gầm gió bắc, chim Việt đậu cành nam trong bài người con gái nam xương " được hiểu như thế nào? Qua đó thể hiện vẻ đẹp phầm chất nào của nhân vật?
1. Tom said that he didn’t want to learn Vietnamese. I heard 2.They allowed Jane to write a letter to her husband. They let 3. He started investigating the case a month ago. He has 4. The cat jumped through the window. We saw 5. He now goes to work on his bicycle instead of by car. He has stopped giúp em vs ạ em cảm ơn nhiều ạ
Nhờ mn giúp, mk cần gấp (Sẽ đánh giá 5* và cảm ơn cho mọi câu trả lời)
Read the text carefully, then do the tasks. From the 20th to the 21st century, there have been significant changes all over the world. Substantial differences are evident between the way we live today, and the way we lived a century ago. Vietnam is no exception although there are some facets of life that still resemble the way of life of the twentieth century. Living in Vietnam today differs greatly from the lifestyle of 100 years ago. People in the past mainly worked in agriculture whereas today there are significantly less people working in this sector of the economy. These days, by comparison, people are more likely to be employed in manufacturing and tourism than in the rice fields. Moreover, Vietnam, which was traditionally agrarian, is transforming into an entirely different country. While agriculture is still an important component of the Vietnamese economy, other enterprises are accounting for an increasing amount of economic activity. However, along with the differences, similarities also exist. The people of Vietnam have retained many of the characteristics of their forefathers. The Vietnamese people are as friendly today as they were in the past. This is best exemplified in the way they welcome foreigners to their unique country. Moreover, the resilience and determination of the people of Vietnam has not changed. The Vietnamese work collectively and happily towards the development of their country. A. Decide whether the following statements are true (T) or false (F). 1. A minority of countries around the world have experienced dramatic change in the previous century. 2. Vietnam is not as agrarian as it was in the past. 3. Vietnamese people nowadays are friendlier to foreigners than they used to be. 4. The differences between the lifestyles of yesterday and the lifestyles of today are not evident. 5. Some of the characteristics of Vietnamese people never change. 6. Vietnamese people are very resilient and determined. B. Answer the questions. 7. How have lifestyles changed for the last century? 8. What characteristics of Vietnamese people have not changed?
Cali: i l o v e hoi dappppppppppppppppp màu đen
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