user-avatar
hauyennhi211
2 năm trước
Cho a= 2+2^2+2^3+...+2^2015. a)CMR A/31 có giá trị là một số nguyên. b)Cho B = A+2. Giá trị của B có phải số chính phương ko ? Vì sao?
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

VIII. Rewrite the following sentences with the same meaning as the given ones. 46. People use computers all over the world. ➔ Computers _______________________________________________________________________________ 47. My father drives all of us to school every day. ➔ All of us ___________________________________________________________________________________ 48. People use Khue Van Pavilion symbol on all street signs of Ha Noi. ➔ Khue Van Pavilion symbol ______________________________________________________________ 49. King Ly Nhan Tong built the Imperial Academy as the first university in Viet Nam in 1076. ➔ The Imperial Academy __________________________________________________________________ 50. Hundreds of tourists visit my town every year. ➔ My town __________________________________________________________________________

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