bài 1 tìm x 5,23 -(4,6 - x) =0,97 ; 1,2 - x + 0,7 =0,95 4,45 - 3,6 - x = 0,98 bài 2 tính bằng hai cách 78,43 - 25,6 - 19,28

Một tấm kính hình chữ nhật có chiều rộng 30cm, chiều dài gấp đôi chiều rộng. Tính diện tích của tấm kính đó

nêu tác hại và biện pháp phòng bệnh kiết lị

Kể về một việc làm tốt hoặc cảm thấy chưa tốt của bản thân Ngữ văn 9

Một miếng khi đói bằng một gói khi no Câu nói trên khuyên chúng ta điều gì

Cho mìn hỏi đây là cây gì ạ :< Chất lượng ảnh mờ do dùng cam Pc ạ

Tìm đa thức H(x) có bậc 3 thõa mãn: H(1)=H(2)=H(3)=0 và với mọi x luôn có H(x)=x.F(x)+24 Trong đó f(x) là đa thức bậc 2

❼. WRITING I. Complete the conversation, using the words or phrases given. A: What is your hobby? B: Well, I like collecting stamps. A: How can you collect your stamps? B (1) ____________________________________________________________ (I/ buy/ post office. I/ also/ ask/ members of family/ relatives) (2) ____________________________________________________________ (Sometimes/I/ exchange/ stamps/ other people) A:How do you organize your collection? B: (3) ___________________________________________________________ (I/ divide/ different groups/ animals/ plants/ birds/ so on) A:Why do you collect stamps? B: (4) ___________________________________________________________ (I/ know more/ people/ animals/ plants) A:What will you do next? B: (5) ___________________________________________________________ (I/ collect/ more stamps) II. Make correct sentences from the words and phrases given. 1. When/ you/ start/ hobby? 2.We/ find/ make/ models/ very interesting/ because/ we/ should/ creative. 3.I/ think/ future/ people/ take up/ more/ outdoor activities. 4. My best friend/ not/ like/ mountain climbing/ because/ he/ afraid/ heights. 5.My sister/ enjoy/ cook/ and/ make/ new dishes/ her own. III. Rewrite the sentences, using the given words. 1. What is the price of this watch? ð How much _____________________________________________? 2. What is the price of these beautiful scarves? ðHow much ______________________________________________? 3. Can you tell me the way to Dong Nai Post office? ðCan you tell me __________________________________________? 4. Can you tell me the way to the station? ðCan you tell me __________________________________________? 5. They are fast typists. ðThey ___________________________________________________ 6. Peter is a hard worker. ðPeter ___________________________________________________ 7. There are no bottles on the shelf. ðThere aren’t _____________________________________________ 8. We have no time to prepare the speech. ðWe don’t have ___________________________________________ IV. Use the words and phrases to write a passage. 1. Stamp collection/ be/ interesting hobby. 2. You/ can learn many things, such/ the geography/ a country/ stamps. 3. Postal stamps/ be a source/ interesting facts/ important dates/ every country/ the world. 4. It/ make stamp collecting/ become very popular. 5. As you look at the pages/ a stamp album, you/ can learn interesting details/ foreign customs/ arts/ literature/ history/ culture. 6. Their colors/ can make/ you feel relaxed/ happy. 7. Collecting stamps/ can become/ a business. 8. If you are lucky/ finding/ special stamp, it/ will bring/ you some money besides knowledge/ pleasure.

Đây là hình Câu hỏi : a) Chứng minh : m // n b) Tính góc : A1, A3, A4 c) Tính góc : C1, C4

Giúp mk bài này với nha.😔Mai mk phải nộp rồi.Giải chị tiết giúp mk nha.