TBC của 5 số là 20. TBC của 5 số trở thành 18 khi đổi 1 số thành 4. Hỏi giá trị ban đầu của số bị đổi là bao nhiêu ?

Em hãy viết bài văn về tình người trong mùa covid

chọn câu tl đúng Câu 1. Loài động vật có bộ răng phân hóa thành răng cửa, răng nanh và răng hàm A. cóc nhà B. cá chuối. C. sư tử D. Rắn hổ Mang Câu 2. Động vật sau đây thuộc bộ gặm nhấm là: A. Chuột chù B: chuột đồng C: chuột chũi D: mèo Câu 3: cho các loài động vật dưới đây: đà điểu, chim cánh cụt, chim sẻ, công, dơi, gà. Số loài động vật thuộc lớp chim là: A.3 B.4 C.5 D.6 Câu 4: Đặc điểm giống nhau giữa lớp thú và lớp chim: A. Là động vật hằng nhiệt B. Là động vật biến nhiệt

tại sao nói: "Trẻ khôn ra, già lú lại"

Giúp mình giải chi tiết câu này

ko them tu nao 1 What / did / you / lunch / eat and drink / for / yesterday? 2. programs / What / TV / want / do / to / you / see? 3. you / Would / to / the movie / this week? / like / go / to 4. ought / I / finish / to / this question / Maths tomorrow / for

Vẽ mầm cute màu hay ko tùy Nl: cố lên nhóm tui ^^

Question 29: there?/ you /to/want/what/ buy/do 4 điểm A. What you want to do buy there/ B. What do you want to buy there? C. What do you to want buy there? D. What you do to want buy there? Mục khác: Question 30: red/ How/ T-shirt?/much/the 4 điểm A. How much is the T-shirt red? B. How is the red T-shirt much? C. How much is the red T-shirt ? D. How much is the T-shirt red? Mục khác: Question 31: to/want /the/bookshop/I/go/I/beacause/books/buy/some/to 4 điểm A. I want to go to the bookshop beacause I buy some books. B.I go to the bookshop beacause I want to buy some books. C. I to go the bookshop beacause I want to buy some books . D.I buy to some books beacause I want to go to the booshop. Mục khác: Question 32: visit/often/you/do/your/How /grandparents? 4 điểm A. How do you often visit your grandparents? B How your grandparents often visit you? C. How often do you visit your grandparents? D. How do your grandparents often visit you?

IV. Read the passage and choose the best answer from A, B, C, or D. Parents send their children to school to prepare for the time when they grow up. Children learn their native language so that they will be able to communicate fluently with other people around them. Moreover, they can preserve the valuable culture and literature of their country. They learn foreign languages in order to benefit from other countries’ heritage. The more foreign languages they learn, the more benefits they get. Children also learn math to calculate, geography to know about nature, and history to know about human beings and historical events. Nearly everything they study at school has some practical uses in their life. 1. Parents send their children to school to ________. A. play better B. learn English C. prepare for their future D. make them grow up 2. Why do children have to learn their native language? A. To learn foreign languages. B. To communicate fluently with other people around them. C. To benefit from foreign countries’ heritage. D. To know about nature. 3. According to the passage, children learn history to know about ________. A. people and historical events B. practical uses in life C. events of the history D. the mankind 4. How many school subjects are mentioned in the passage? A. Five. B. Seven. C. Six. D. Four. 5. Most of the things children learn at school ________. A. are useless B. have no use C. are not necessary D. have some practical uses

Ai giúp mình vs ạ mình cảm ơn nhìu lắm