Thực hiện phép tính (1 câu duy nhất)

Tìm chữ số tận cùng của: a) 217^50 b) 2021^2022 + 2022^2021 Giúp mình với. Cảm ơn ạ!

$(2x + 1)^{2}$ - (3x - 2) . (3x + 2) - 5x . (3 - x) = 15 Mọi người cũng cần phải triển khai hằng đẳng thức nữa, làm hộ dùm, mai nộp r.

Tính bằng cách hợp lí 36.28 + 36.82 +64.69 +64.41 35 .34 +35.38 + 65 .70 +65.2

Giúp em với hứa đánh giá full tất cả

Vẽ đậu mầm cầm bảng chúc mừng N/L : Xong cái đoàn mệt bã hơi

Ai đó giúp mình bài này với xin cám ơn.

1. How should people decide on their look? 2. Do you think that your appearance should reflect your personality?

ENGLISH PRACTICE 31 I: Write the correct tense of the verbs in brackets. 1. I (not see)_______ him for ages. 2. What you (do)______ when I (phone)______ you last night? 3. Look. The teacher (come)_______ here. 4. Lan is saving money. She (buy)_______ a new bicycle. II: Each sentence has a mistake, find and correct it. 1. Children don’t go to school on Sundays on the world.  ……………………… 2. My book is the same of yours.  ……………………… 3. He speaks English is like an English man.  ……………………… 4. They do their best to keeping the family happy.  ……………………… 5. There are many differently ways of learning words.  ……………………… III: Fill in each blank with one suitable preposition. 1. My mother is always proud_______ me and my brother. 2. I was born_______ January 1st, 1965. 3. Do you want to watch the sky_______ sunset? 4. You don’t have to learn_______ heart this poem. 5. I don’t know what he’s doing_______ this moment. IV: Complete the following sentences with the correct form of the words in brackets. 1. Lynn is the most_______ girl in the country. BEAUTY 2. Ba is_______ from his father. DIFFER 3. It’s_______ to go swimming in the summer. INTEREST 4. Are you a_______ or are you living here? TOUR V: Rewrite the following sentences that keep the same meaning. 1.The teacher said to the children: “Don’t make noise in class.”  The teacher told……………… 2. Nam will solve the problem soon.  The problem……………. 3. A big house was built last year.  They……………………… VI: Make sentences, using the words given. 1. what/ you/ do/ when/ storm/ occur?  …………………………………………… 2. The singer/ have/ three albums/ so far.  ………………………………………… 3. I/ used to/ chase/ butterflies/ my sister.  ………………………………… VII: Fill in each space with a correct word to complete the text below. remember make example tongue heart piece Different language learners learn words in different ways. Some learners (1)_______ a list and put into it the meanings of new words in their mother (2)_______, and try to learn them by (3)_______. However, others do not. Instead, they write one or two (4)_______ sentences with each new word in order to (5)_______ how to use the word in the right way. VIII: Choose the best option to complete each sentence below. 1. It_______ in winter; now it_______. A. rains/ doesn’t rain B. rains/ isn’t raining C. is raining/ isn’t D. is raining/ doesn’t rain 2. He normally_______ quickly but today he_______ slowly. A. is speaking/ isn’t speaking B. speaks/ doesn’t speak C. is speaking/ speaks D. speaks/ is speaking 3. He not only sings_______ dances.A. but also B. and C. as well D. also 4. You should cool the burn_______. A. immediate B. immediately C. immediating D. immediated 5. _______ is easy.A. recycle B. recycling C. to recycle D. recycles 6. My friend doesn’t know the City very_______.A. good B. moreC. a lot D. well 7. This is the first time I_______ his mother.A. meet B. am meetingC. have metD. met 8. The doctor_______ a red car lives near my house. A. to drive B. driving C. drove D. driven 9. It is_______ to find a modern hotel in this town. A. difficult B. difficulty C. difficultly D. more difficult 10. Would you mind if I_______ a photo? A. take B. took C. taking D. to take

Tìm độ lệch pha giữa 2 dao động giúp mình với, vẽ vòng tròn lượng giác và giải thích chi tiết nha. Mình cảm ơn