em sẽ vote 5* và ctlhn ạ!! Cho tam giác ABC nhọ. Dựng về phía ngoài tam giác các tam giác đều ABD và ACE. a) Chứng minh BE =CD b) Gọi M, N, P là trung điểm các đoạn thẳng AD, BC, AE. Chứng minh tam giác MNP đều

tìm số tự nhiên nhỏ nhất biết rằng khi chia số này cho 29 thì dư 5 và chia cho 31 dư 28

Cho hỏi còn bạn "Đóm" nào ở đây không ạ? Xin 1 lý do bạn vẫn còn fan Jack? Cali : Thiên An :>

help mng giải giúp mình với chiều mình nộp bài rồi ạ

giúp mik nha mik cần gấp 36 The Pacific is -------the largest ocean in area. A by far B. far C a little D so 37 He got up-----miss the first bus. A. so earlier as to B. so early to C. so early as not to D. too early to 38 He looked at me ............( angry / angrily) when I stopped him ................( sudden / suddenly ) 39 Standing-----helped him look--------- A straight/ wonderful B straight/ wonderfully C straightly/ wonderfully D straightly/ wonderful 40 She is ----------teacher that all of us like her A a such good B such good a C a so good D so good a 41 The stomach of a cow , …that of other ruminants , is divided into four compartments A likely B similar C same D like 42.The Duke of Westminster is -------in Britain A second richest person B the richest second person C The second richest person D The richest second 43 The Himalaya Mountains are the ------A height of world extensive ranges B ranges of the most extensive C world’s most extensive ranges D more extensive rangers of the world 44 It is ---that I’d like to go to the beach A such a nice weather B too nice weather C such nice weather D such weather nice 45 It is ------that I’ve read it twice A such an interesting B so interesting a book C too interesting a book D A, B 46 This book is -----------to understand A too hard far B too hard than C far too hard D such too hard 47 How is your father ? Is he .................(good / well)? 48 When the wind started to blow, I grew------ anxious / anxiously 50 Many sea animals are at……………due to hunting and water pollution. A. loss B. death C. risk D. danger 51.My neighbor is driving me mad! It seems that ____ it is at night, ____ he plays his music! A. the less/ the more loud B. the less/ less C. the more late/ the more loudly D. the later/ the louder 52____ in Stevenson's landscapes, the more vitality and character the painting seems to possess. A. The brushwork is loose B. The looser brushwork C. The loose brushwork is D. The looser the brushwork is 53.The more carefully humans mind their daily activities, ____ on the environment. A. the less harmful impact have they B. the less harmful impact they have C. the less impact harmful they have D. the less harmful they have impact 54.Sound comes in waves, and the higher the frequency, ____. A. higher is the pitch B. the pitch is higher C. the higher the pitch D. pitch is higher 55.The better the weather is, ____. A. the beaches get the more crowded B. the beaches get the most crowded C. the most crowded the beaches get D. the more crowded the beaches get 56.The more waste paper we recycle, ____. A. the least trees we preserve B. the most trees we preserve C. the fewer trees we preserve D. the more trees we preserve

mn giúp mk với ạ, có thể giải chi tiết đc ko,plzzz

Bài 10:Hoàn thành câu, sử dụng dạng so sánh hơn của các tính từ hoặc trạng từ cho sẵn Angrily large Soft Cleverly Warm comfortably hard Rich costly beautifully 1.Her voice is_________than mine. 2.James can sing________than many singer. 3.We can live_________in the countryside than in the city. 4.We hoped we would own a _________apartment. 5.This mordern computer is_________thann that old-fashioned one. 6.My new house is__________designed than my old one. 7.My father reacted_________to my misbehaviors than my mother. 8.John studies__________than anyone else in the class. 9.It is getting_________today so we can go out. 10. People in the city are________than people in the countryside

Xâu chung(Không dùng thủ tục và hàm) Yêu cầu: Cho hai xâu kí tự S1 và S2 (có không quá 255 ký tự). Hãy tìm một xâu con chung S dài nhất của hai xâu S1 và S2. Ví dụ : Bai2.inp Ky thi hoc sinh gioi Tinh mon tin hoc hoc sinh gioi mon Tin hoc Bai2.out 14 Rút gọn Mn giup vs a ,e dg can gap

Làm ơn giúp mình với mình thật sự ko biết làm Mình cảm ơn mọi người trước

Cho các đa thức: A(x) = x – 5x3 – 2x2 + 9x3 – (x – l) – 2x2; B(x) = –4x3 –2(x2 + 1) + 6x + 2x2 – 9x + 2x3; C (x) = 2x – 6x2 – 4 + x3. a) Thu gọn các đa thức trên và sắp xếp theo lũy thừa giảm dần của biến. b) Tính A(x) + B(x) – C(x). c) Tìm nghiệm của đa thức P(x) biết P(x) = C(x) – x3 + 4.