tìm số tự nhiên x;y biết (3x+7)=y(2x+1)

Câu3:Tìm số nguyên x,biết: a) -13 + x = 39 b) 3x - (- 17) = 14 c) |x+9|.2=10 d) x  12 ; x  10 và -200≤x ≤200 ~ Nếu làm đúng thì sẽ vote 5star~

Giúp e vs làm hộ e bài 17 vs 18 vs cứu e vs các mod vs BĐHH vs

mọi người phương thức biểu đạt của bài khi con tu hú 4 khổ thơ cuối là gì mình cho 5*****

Thực hiện phép tính : 23×75+25×10+25×13+180 Giúp mình với😭😭

Đề bài 1. Em hãy kể 1 kỉ niệm khó quên về tình bạn. 2. Em hãy kể lại 1 câu chuyện mà em thích nhất trong những chuyện đã được đọc Mọi người có thể chọn 1 trong 2 đề bài kia ạ mọi người chỉ cần viết 1 đề bài thôi ạ xong rồi em sẽ vote cho 5 sao ạ và em cũng sẽ cho câu trả lời hay nhất luôn ạ Cảm ơn mọi người nhìu lắm ạ

Hoàn thành các phản ứng theo sơ đồ sau Fes2->So2

Vitamin không hoà tan trong nước là : A . Vitamin A B . Vitamin B C . Vitamin C D . Cả A , C đều đúng

Các bạn giải giúp mình nhé, cảm ơn các bạn nhiều. I: Choose the correct answer to complete the paragraph Oak city is a great city. There’s so (1) ………………to do! There are cinemas, parks and discos. It’s got some great clothes and music shops so Oak city is very modern and beautiful. There aren’t any (2) ………………buildings and there’s some beautiful (3) ………………around the city. Is there any pollution in the Oak city? There isn’t much pollution because there isn’t much traffic. Everyone travels by bike and walks, so there aren’t many accidents. No one works, so everyone has got a lot of free time. Are there any unfriendly people in Oak city? – No, so come and spend a little time here. 1. A. much B. many C. some D. any 2. A. beautiful B. ugly C. pretty D. unpleasant 3. A. scenery B. scene C. view D. sight II: Read the passage and write T/ F This writing is about my best friend, Mai. We got to the same school and we’ve been together for three years. Mai is very pretty. She has short black hair and big brown eyes. She is clever and hard-working but she is also very funny. She makes jokes and we all laugh. She loves reading and writing short poems. I like being with her. We often do our homework together and she helps me a lot. I also like her because she knows a lot about astronomy and we can chat about it for hours. At the moment we’re making a Space mini book. We’re doing a lot of searching on the Internet. This Saturday, we’re going to the National Museum to take some photos for our project. Then we’re watching a new film on the Disney channel together. It’s going to be fun! 1. Phuc and Mai are studying in the same school. 2. Phuc and Mai are making a mini book on Geography now. 3. They are going to the museum to take photos for their project. 4. After that they will go to the cinema together.

Bài tập 1. Change sentences into the passive (Present simple): 1. Mr Hai delivers the letters everyday. * 1 điểm 2. The children often buy the tickets at the box office.ivers the letters everyday. * 1 điểm 3. They usually finish their homework before bed time. * 1 điểm 4. The teacher corrects our exercises today. * 1 điểm 5. We often watch the shows of music on TV . * Bài tập 2. Change sentences into the passive (Past simple): 1. Mrs Allen wrote that novel in 1998. * 2. Nam borrowed the reference book from the shelf yesterday. * 3. The boy ate two loaves of bread last Sunday. * 4. He left the letter on the desk some minutes ago. * 5. My mother bought a new bike for me last month. *