user-avatar
gvtien87
2 năm trước
Cho a,b,c thoả mãn, đồng thời a+b+c=6 và a^2+b^2+c^2=12. Tính giá trị của biểu thức P=(a-3)^2020+(b-3)^2020+(c-3)^2020. Giúp mình với ạ.
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

V. Choose the best answer to complete each of the following sentences. 11. She ______ working with children. A. would like B. adores C. would love D. wants 12. Speech is the fastest method of ______ between people. A. communicate B. communicates C. communicated D. communication 13. Do you mind ______? I’m feeling pretty tired. A. driving B. drives C. drove D. driven 14. I had a really ______ dream last night. A. important B. fantastic C. weird D. light 15. I prefer (thích hơn) _______ people. A. text B. texting C. texted D. texts 16. I like ______ up as soon as I finish eating. A. wash B. to wash C. washes D. washed 17. I’m trying ______ Chinese though it’s very difficult. A. learn B. learning C. learnt D. to learn 18. We should stop ______ because it is harmful to our health. A. smoke B. smokes C. smoking D. to smoke 19. John isn’t here. Try ______ his home number. A. phoning B. to phone C. phones D. phoned 20. Did you remember ______ that letter for me? A. post B. to post C. posting D. posted

2018 © Loga - Không Ngừng Sáng Tạo - Bùng Cháy Đam Mê
Loga Team