Câu 7. Cho biết diện tích của hình vuông ABDE là 3600cm2 (xem hình vẽ). Tính diện tích của hình tứ giác ABCE.

Read the passage carefully, then choose the correct answers. The latest addiction to trap thousands of people is the Internet, which has been blamed for broken relationships, job losses, financial ruin, and even suicide. Psychologists now recognize Internet Addiction Syndrome (IAS) as a new illness that could cause serious problems and ruin many lives. IAS is similar to other problems like gambling, smoking and drinking: addicts have dreams about the Internet; they need to use it as the first thing in the morning; they lie to their parents and partners about how much time they spent online; they wish they could cut down, but are unable to do so. A recent study found that many users spend up to 40 hours a week on the Internet. Some of the addicts are teenagers who are already hooked on computer games and who find it very difficult to resist the games on the Internet. According to the writer, Internet addiction __________. A: is not the same as gambling B: is not an illness C: can lead to financial problems D: helps people kill time

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Rút gọn: (√2-1)/(√2+2)-2/(2+√2)+(√2+1)/√2

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Một khu đất hình chữ nhật có diện tích là 5000m2. Trên bản đồ tỉ lệ xích 1 : 1000, khu đất đó có diện tích là a)5m2 b)50dm2 c) 50cm2 D)500cm2

Bài 1:Chia động từ trong ngoặc ở thì hiện tại hoàn thành. 1. I (live) …… here since 1989. 2. They (work) ……….. for this factory for 20 years. 3. He (read)…………. this novel three times. 4. Hoa and I (know) ………….each other since we were at the same class. 5. I (not/see) ………. her since last month. 6. I (not/work) …………. have not worked today. 7. We (buy) …………… a new lamp. 8. We (not/plan)……………. our holiday yet. 9. Where (be/you)…………….. ? 10. He (write) five letters. EX 2. Write the superlative form of the words given. 1. One World Trade Center is .............. (tall) building in the United States. 2. My mother is .............. (good) cook in the world. 3. Terrence Tao is .............. (intelligent) person in the world. 4. Where are .............. (nice) beaches in your country? 5. Hawaii is .............. (interesting) place I’ve ever been to. 6. Dave is .............. (tidy) person in class. 7. July is generally .............. (hot) month of the year. 8. The blue whale is Phu Quoc is .............. (heavy) animal on earth. 9. Phu Quoc is .............. (large) island in Vietnam. 10. I think it is one of .............. (boring) war films I’ve ever seen. Giúp mik với, mik vote 5*, câu trả lời hay nhất + 1 cảm ơn

Chu vi hình chữ nhật bằng 128 chiều rộng 24 hỏi chiều dài bằng bao nhiêu

1 câu trả lời hay nhất + 5* voite...

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