Các câu hỏi tương tự
tim n la so tu nhien sao cho n2+2002 la 1 so chinh phuong
tim n thuoc N* sao cho n2+n+13 la so chinh phuong
Tim so nguyen n de
a, n2 -5
b, n2-4n +3
La cac so chinh phuong
tim so tu nhien N co 2 chu so,biet rang 2N+1 va 3N+1 la cac so chinh phuong
Tim so tu nhien n sao cho n^3-6n^2+9n-2 la so chinh phuong
tim tat ca cac so nguyen duong n sao cho so T=2^n+1 la so chinh phuong
tim x,y de thoa man
a) n^2-4xy+7 la so chinh phuong
b) n^2-3n-1 la so chinh phuong
tìm n để
n2-4n+7 la so chinh phuong
Cho day so : 1,3,6,10,15,..., n(n+1)/2,...
C/m tong 2 so hang lien tiep cua day bao gio cung la so chinh phuong.
Help me nhanh vs dung nhe! Thanks