Rút gọn biểu thức a, P = $\frac{1}{2 - √3}$ + $\frac{1}{2 + √3}$ b, Q = $\frac{1}{√2 + √2+√3 }$ + $\frac{1}{√2 - √2-√3 }$

Giúp mình với, giải thích nữa nhé ạ, mình cảm ơn

P/s: đây không phải chia động từ bình thường mà là chia động từ khuyết thiếu nâng cao. Đọc kĩ đề hộ mình ạ MODEL PERFECT (Complete the following sentences with could / couldn’t / should / shouldn’t / must + have +PP or should / must /can’t + infinitive.) 1. Susan failed her Economics 201 last term._ She …………… (be) very upset. 2. This computer isn’t fast enough. _ I know I ……………(buy) a better one, but I didn’t have enough money when I bought this last month. 3. Why did you stay at a hotel when you went to New York? _You ……………(stay) with Barbara. 4. Jack fell off a ladder yesterday but he’s all right._ He’s lucky _ he …………….(hurt) himself badly. 5. The situation was bad but it …………… (be) worse. 6. You have been traveling all day. You ……………(be) tired. 7. I’ve lost one of my gloves. I ……………(drop) it somewhere. 8. Carol ……………(get) very bored in her job. She does the same thing everyday. 9. Jane walked past me without speaking. She ……………(see) me. 10. The phone rang but I didn’t hear it . I …………… (be) asleep.

Tới cần gấp ạ, giúp tớ với thanks

Giúp mình với!!! Ai nhanh cho ctlhn

1 Tom said to the girl: "When did you have this picture taken?" => Tom asked the girl...................................................................................................................... 2 " We shall go somewhere for a cup of coffee after class.” => Tom said. ...................................................................................................................... 3 She asked me, "Have you ever seen a flying saucer?" => She asked me...................................................................................................................... 4 James said: "Do you want me to type this letter for you now?" => James asked me...................................................................................................................... 5 Helen said, "I'll have to find a better job. I can't make both ends meet." => Helen said that ...................................................................................................................... 6 He said to her " I am waiting for you at this moment." => He told her that ...................................................................................................................... 7 The boy said to his mother: "When shall we have lunch? I'm very hungry." => The boy asked his mother...................................................................................................................... 8 He said, "I don't understand why she has refused to join us on the trip." => He said...................................................................................................................... 9 Mr Brown said to his wife, "I don't feel like going out this evening.” => Mr Brown said that................................................................................................................................... 10 “It is raining too hard to go out so we can’t go out." => John said......................................................................................................................................................: ai giúp mình làm bài này với ạ

Đề: Make meaningful sentences based on the given words. 1) Next week, we/ give away/ books/ school things/ poor children. 2) Singer/ decide/ donate/ show's money/ show/ orphanage children/ district. Giúp e vs

Laura fell asleep during the lesson ... she was tired . How much...do you want . Do you know the man...you met at the party yesterday

Vẽ mầm mệt mỏi phải cute đếy nhé Cần nhóm không làm mà vẫn có ăn. __.

làm 1 trong 2 nha ko bắt buộc làm tất! Hứa vote đủ!