Hãy nêu những nguyên nhân thắng lợi của cuộc khởi nghĩa Lam Sơn

làm hộ mik bài 1 bài 2 bài 3 nhưng bỏ câu cuối 3 bài

Cho tam giác ABC, vẽ góc DAB=60°, AD=AB (AD khác phía đối với AB). Vẽ góc CAE=60°, AE=AC ( AE và AB khác phía đối với AC).DC cắt BE tại K. a. Chứng minh BH//CK b.chứng minh M là trung điểm của HK c.chứng minh HC//BK

giúp mình gấp với các bạn ơi Hai xe khởi hành cùng một lúc từ 2 địa điểm A và B cách nhau 260 km đi ngược chiều và gặp nhau sau 4 giờ. Tính vận tốc mỗi xe, biết xe đi từ A có vận tốc lớn hơn vận tốc xe đi từ B l 5 km/h

Mn người giúp mk vs Mk đag cần gấp

cho đẳng thức|a|+1=b^2019 a)xác định dấu của a và b biết rằng chúng là 2 số nguyên khác 0 và trái dấu nhau b) tính a nếu b=0 c) tính b nếu a=0

Question VII. Read the passage about Charlie Chaplin and choose the best answer. Charlie Chaplin was an English actor, director, producer, and composer. He is known as the most creative person of the silent-film era. Charlie Chaplin's portrayal of the tramp won the hearts of people all over the world. Chaplin was born in London on the 16th of April, 1889. He spent his childhood in poverty and hardship. In 1910 he began to perform pantomime in the United States. He first appeared on screen in 1914. He created his world-famous character, the Tramp, and he played this classic role in more than 70 films during his career. He also composed background music for most of his films. In 1972 Chaplin received an Honorary Academy Award for 'the incalculable effect he has had in making motion pictures the art form of this century'. Chaplin died on the 25th of December, 1977, at his home in Switzerland. 1. When did he start appearing in films? A. In 1910 B. In 1914 C.In 1972 2. In about how many films did he play the Tramp? A. Seventy B. Seventeen C. Twenty-five 3. Charlie Chaplin is very famous for __ __ _ _ A. his background music B. his stage performance his character "the Tramp" C. his background music 4. Which of the following is NOT true? A. Charlie Chaplin was an English artist. B. He received an award in 1972. C. He played classical music. Question VIII. Read the following passage then decide if the statements are true or false: Vietnamese people of have three meals a day – breakfast , lunch and dinner. People in the countryside usually have rice with meat or fish and vegetables for breakfast but people in the cities often have light breakfast with a bowl of Pho or instant noodles or sticky rice before going to work .for lunch , they often have rice, meat , fish and vegetables. People in the countryside often have lunch at home but people in the cities often have lunch at the canteens or at the food stalls. Most people prepare their dinner at home . They eat many kinds of meat , seafood ,fish, fresh vegetables and rice. Many people say dinner is the main and the best meal of the day. 1. Vietnamese people often have three meals a day. 2. People in the countryside usually have rice with meat or fish and vegetables for breakfast. 3. People in the cities often have big breakfast before going to work. 4. People in the countryside often have lunch at the canteens or at the food stalls. 5. Most people cook their dinner at home 6. According some people , dinner is the best meal of the day Question IX. Read the following paragraph and choose the correct answer for each gap. Artists who(1)............pictures on the pavement which chalk used to be very common sight in London, but there (2)..........only a few left now. Sometimes the pictures are very good. This is proved by the fact that one of the(3)...........favourite tricks is to draw a five pound note and see a lot of people trying to(4)..........it up. The police usually trick pavement artists kindly and there is nothing in the law against drawing on the pavement(5)...............the artist is so good that he gets a large(6)..............around him and this prevents other people from passing freely along the street. 1. A. draw B. paint C. take D. print 2. A. is B. are C. was D. were 3. A. artist B. artist’s C. artists D. artists’ 4. A. pick B. hold C. bring D. get 5. A. if B. although C. unless D. because 6. A. meeting B. collection C. gathering D. crowd

Khi vận động nhiều , một số bạn học sinh có một số hiện tượng sau : − Nhịp thở nhanh hơn . − Ra mồ hôi nhiều và khát nước. − Đùa nghịch khi uống nước nên bị sặc. Hãy giải thích các hiện tượng trên ?

Có bao nhiêu giá trị nguyên của tham số m để bất phương trình x^2 - 2mx + 2|x - m| + 2 > 0 đúng với mọi x

tim phan so co tong tu so va mau so la 45 , neu them tu so 9 don vi thi phan so = 1. Rut gon phan so .