Trả lời : Đó không phải câu nghi vấn

Không phải câu nghi vấn

Đặt \(u=\sqrt{10-x};v=\sqrt{3+x}\)

Phương trình trở thành \(u+v+2uv=17\)

\(\Rightarrow u+v=\sqrt{17}\)

đến đây thì EZ rồi

1. He is very intelligent. He can solve all these problems. (enough)

-->___He is intelligent enough to solve all these problems. _______________________________________

2. This mobile phone is really good. You should buy it. (if)

-->___If this mobile phone weren't really good, you shouldn't buy it ______________________________________

3. She couldn’t open the door. She didn’t have the key. (unless)

-->___She couldn’t have opened the door unless she had had the key._______________________________________

4. He worked late last night. He feel tired today. (so)

-->____He worked late last night so he feel tired today.________________________________

5. The water is too hot. He wait until it’s cool to drink. (so)

-->______The water is so hot that he wait until it’s cool to drink. _________________________________

6. I didn’t follow my mother’s advice. I regret now. (wish)

-->____I wish I had followed my mother’s advice_____________________________________

7. Coffee is in this shop delicious. Orange juice is delicious too. (both)

-->___Both coffee and orange juice in this shop is delicious______________________________________

8. Nga was really tired yesterday. She still helped her mom with housework. (though)

-->___Though Nga was really tired yesterday, She still helped her mom with housework._____________________________________

9. She has an exam next week. She is revising the lessons carefully. (so)

-->_____She has an exam next week so she is revising the lessons carefully.___________________________________

10. This book isn’t interesting. That book isn’t either. (neither)

-->___Neither this book nor that book is interesting______________________________________

11. He’s tired. He tried to finish his work. (but)

-->_____He’s tired but he tried to finish his work_______________________________________