Các bạn giúp mình nhanh tý ạ chiều 2 h mình đi hok rồi cảm ơn ạ

Rút gọn $P=\frac{1-\sqrt{x-1}}{\sqrt{x-2\sqrt{x-1}}}$

$a) 30 – 4.(12 + 15)$ $b) 126 – (-4) + 7 – 20$ $c) 8. 12 – 8. 5$

Hãy triển khai câu chủ đề sau thành một đoạn văn:” Lão Hạc, trước hết là câu chuyện cảm động về tình phụ tử thiêng liêng, giản dị”

Các bạn trả lời câu chín và câu tám giúp mình nhé

Nhờ Các Cao thủ toán học làm giúp em

91. He (have) ……… a bad fall while he (repair)………his roof. 92. By the end of this month, I hope, I (write)……………………200 pages of my new novel. 93. It (take)…….a moment before Nick (realize)…………...he (offer)……… a cigarette by the stranger. 94. While he ( learn)……. to drive he (have)……… 25 accidents. 95. It’s no using getting inpatient. The plane (not arrive)……..until the weather (clear)……up. 96. I (think) ……..about you a lot lately and I (come)……… to the conclusion that I( not be) ……..able to live without you. 97. I don’t mind ( wait)………I’d rather (be)……………….too early than too late.

vẽ hình theo cách diễn đạt sau: Vẽ góc xOy có số đo bằng 60°.Lấy điểm A trên tia ox rồi vẽ đường thẳng b vuông góc với tia Oy tại B.Gọi giao điểm của a và b là c.Vẽ đường trung trực

làm cho mình câu 4 nha " câu b khỏi làm "

Giúp mình với, mình hết điểm rồi huhu, mình chỉ còn 20 điểm thôi: VII. Match the two halves of the sentences. ( 10 điểm ) 1. I would love a self-cleaning house. a. so I could watch programmes from space. 2. I would like an eco-house. b. that could automatically wash, dry and fold my clothes. 3. I would like a front door. c. that does all the housework for me. 4. I would like a wireless TV. d. that automatically makes itself every morning. 5. I would like a robot chef. e. that could re-order fresh food and offer up recipes. 6. I would love a bed. f. with a fingerprint scanner for security. 7. I would like a hi-tech fridge. g. that could cook all my meals for me. 8. I would love a smart washing machine. h. that uses renewable energy. VIII. Choose the correct answers to complete the passage. ( 10 điểm ) Are you tired (1) ..................... the colour or pattern of your walls? In a smart home, you won't have to (2).................. them. The walls will actually be digtal screens, like computer or TV screens. A computer network will link these walls with (3)..................... else in your house. Called "ambient intelligence," this computer "brain" will control your entire house. It will also adapt to your (4).................. . Your house will learn about your likes and dislikes. I will then use that knowledge to control the environment. For example, it will set the heat in the house to your (5) .................... temperature. It will turn on the shower at the right temperature. It will also darken the windows at night and lighten them when it's (6) ............... to wake up. (1). a. with b. of c. in d. by (2). a. build b. cover c. pull d. repaint (3). a. thing b. everything c. anything d. nothing (4). a. prefering b. preferable c. preferably d. preferences (5). a. favourite b. terrible c. high d. clearly (6). a. occasion b. time c. order