Hai xe cùng khởi hành lúc 6h từ hai điểm A và B cách nhau 240km, xe thứ nhất đi từ A vè B với vận tốc 48km/h. Xe thứ hai đi từ B với vận tốc 32km/h theo hướng xe thứ nhất. Xác định thời điểm và vị trí gặp nhau của hai xe

Giúp mình bài này bài này là tổng hai lập phương cảm ơn

Rút gọn: a/ 3√9a^6 -6a^3 với a bất kì b/ √a+2√a-1 + √a-2√a-1 với 1≤ a ≤2

Giúp mk bài này với mk hứa sẽ vở 5 sao cho tất cả các bn giúp mk và trao người giỏi nhất cho bn đầu tiên

Giúp mk vs mn ơi.mk ccần gấp lắm

Giải giúp mình với Mình vote cho 5 sao nhé

Cho bốn mệnh đề sau : (1) - Căn bậc hai của một số chính phương là một số hữu tỉ. (2) - Tích của một số vô tỉ với một số vô tỉ khác 0 là một số vô tỉ . (3) - Thương của một số vô tỉ với một số vô tỉ khác 0 là một số vô tỉ. (4) - Tổng của hai số vô tỉ là một số vô tỉ . Số mệnh đề đùng là :

1. When I ........ (arrive), the rescuers ........ (look) for the lost girl. 2. I ........ (have) an accident while I ......... (drive) home. 3. I ........ (see) Hannah when I ........ (be) at the shopping centre.

129. The new stadium,…………holds 90,000 people, will be opened next month. 130. John, …………I have known for eight years, is one of my closest friends. 131. You will be punished for …………you’ve done. 132. I couldn’t remember the number of my own car, ………..made the police suspicious. 133. She expects me to do this exercise in half an hour,…………is impossible. 134. He played the violin all night,……………..annoyed the neighbor. 135. The doctor…………..I go to lives next door. 136. Wildon,…………wife and daughter both died, wanted to live a life of leisure. 137. A man, …………..was carrying the monkey in a box, got on to the bus. 138. The clock struck thirteen …………..made everyone laugh. 139. Do you know the dog…………was bitten by a snake in the garden? 140. They turned on the street lights,…………….made it suddenly seem much darker than it really was. 141. The cowboy……………has been wounded by an arrow fell off his horse. 142. He traveled to the Far-East………….he got ideas for his books. 143. I don’t like children………..cry all day. 144. The manager, ……….was very nice man from Milan, made us feel very welcome. 145. Tell me…………you want to do. 146. The frogs croaked (kêu ộp ộp) all night, ………..kept me awake. 147. In hospital they wake patients at 6 a.m……….is much too early. 148. Don’t believe everything………….you read in the newspapers. 149. Rovaer, …………….was barking, frightened the children. 150. I have interest outside my daily professional work, ……….gives me great pleasure. 151. He got lost on Snowdon……….was enveloped in fog. 152. He admires Mrs Brown,………surprises me. 153. Monday was the day on ………he left. 154. We were taken every week to theatre, at ………..new plays were constantly being produced. 155. In the street there were several people ………….were waiting for the shop to open. 156. Britain imports many cars…………..are made in Japan. 157. Most of the people……………were injured in the crash recovered quickly. 158. For years he lived a life ……………was very pleasurable. 159. The wine…………..they drank came from the cook’s own vineyard. 160. The climber spent 2 nights on the mountainside …………….was swept by biting winds. 161. It is about a man called Wilson…………..gave up work. 162. One evening he and the writer went to a restaurant ………..they had a wonderful meal. 163. John, ………..hadn’t come to the party, looked anxiously at his watch. 164. There are a lot of people in your office………..want to talk to you. 165. The story…………..we read is called “ The Lotus Eater”. 166. The demonstrators ………….names had already been taken by the police refused to move. 167. Roses grow very well in my garden………….I bought from my neighbor. 168. Many things grow in my garden …………..is a perfect paradise in June. 169. The man ……….called here last night must have been Jeremy Taylor. 170. Show me ………you’ve got in your hand. 171. He poured water on the burning oil stove, …………….was a crazy thing to do. 172. The crime wasn’t discovered till 48 hours later,……..gave the criminals plenty of time to get away. 173. The students …………names are below the line on this list must sit the examination again. 174. They sang as they marched, ……….helped them to forget how tired they were. 175. We travelled second class ………….is cheaper than first class but more crowded. 176. He wasn’t surprised at ………..he saw because I had told him before. 177. She was once bitten by a monkey, ………made her dislike monkeys for the rest of her life. 178. The man……….she’s getting married to is an artist. 179. My daughter has been married once before, ………..means she should know what she’s doing. 180. The engagement ……….was announced last week came as a bit of a shock. 181. His previous marriage ……….ended in divorce lasted five years. 182. My wife………….works as a journalist is an excellent cook.

Giúp tớ với. He goes away from home a lot. He ... a lorry. A. rides B. drives C. goes by D. takes.