A=1^2-2^2+3^2-4^2+....99^2-100^2

Vì sao Quách Quỳ ra lệnh 'ai bàn đánh sẽ bị chém'

phân tích đa thức sau thành nhân tử

thiết kế phần mềm tìm kiếm dành cho người việt 1)lý do thiết kế 2) thực hiện ý tưởng ,mô tả giao diện mình đang cần gấp

Tet holiday is the most important We have to be 2. 3. for Vietnamese people. CELEBRATE when riding our bikes on the streets. CARE to the park. SLOW is communicated through his song. HAPPY COMMUNICATE The old man walked The author's 4. 5. We find Huong very 6. They went to see most of the places. INTEREST 7. must be a shock to her and her family. DIE admired him. COMPLETE 8. ppns 9. The other 10. We can only get their by plane. There is no WORD FORM 2 CHOOSE Sony is a big firm which is Doctors and The 1. in Vietnamese's market. COMPETE have reported on how we are all affected by the noise around us. SCIENCE 2. 3. between Vietnam and China is recovered. FRIEND The boss refused to meet the Union's Many 6. She 4. DELEGATE activities will be held tomorrow. CULTURE with me for an hour about the future job yesterday. REASON of the moon for the earth causes the tides. ATTRACT We lost. SUCCESS city. PEACE COMPETE 5. 7. The Our team played It is said that Hue is a 8. 9. He came first in the 10. WORD FORM 3 1. 2. 3. pooo We are were the keys to the success of the 23th Sea Games. PREPARE interested in AIDS. ESPECIAL Women have to keep their We all have our GENTLE WEAK 4. makes him jobless. SHY right. EXACT His 5. 6. Your answer is 7. Everyone admires her to help the poor. READY because of his laziness. JOB CONVENIENT Dick becomes 8. 9. put my book near the desk for She has one of the biggest stamp 10. WORD FORM 4 in Britain. COLLECT UARM

cho biểu thức b=3+3^2+3^3+...+3^100 a) tính tổng B b) chứng minh 2B+3 không phải số chính phương c) tìn số tự nhiên a để B=2n+2/n+2 + 5n+17/n+2 + 3/n+2 là số tự nhiên

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Giúp em vs ạh cần gấp pppppppp ai giúp vs ạh😞😞😞😞😞😨😨😨😨😨😨😨😨😭😭😭 làm hết Phần test for unit 4 vs ạh

Cho (a+b+c)/2= (a+b-7)/4c= (b+c+3)/4a= (a+c+4)/4b. Tính A= 20a+11b+2018c Biết tất cả các tỉ số trên đều khác 0

Từ những bài thơ của những nhà thơ nổi tiếng như: Lí bạch,Hạ tri chương,trần nhân tông,...Em cảm nhận được điều thiêng liêng nào trong cuộc đời mỗi con người GIÚP MK VS CÁC BN ƯI T_T