tim tat ca cac so nguyen duong co dang abcde thoa man abc-de chia het cho 101

a)Tim tat ca cac so nguyen duong x, y , z thoa man: \(\frac{x+y\sqrt{2013}}{y+z\sqrt{2013}}\)la so huu ti, dong thoi x² + y²+ z² la so nguyen to.

b) Tim so tu nhien x, y thoa man: x(1+x+x²) = y(y-1).

tim tat ca cac cap so nguyen x,y thoa man 2^x+1.3^y=12^x

tim tat ca cac so nguyen x,y thoa man x^3+x^2+2-2y=xy

Tim tat ca cac so nguyen x thoa man: (x+2014)^2=64.(x+2007)^3

Tim tong cua tat ca cac so nguyen x thoa man -5 <x> 4

tim tat ca cac so nguyen x thoa man : (x+2014)^2=64.(x+2017)^3

Tim tat ca cac cap so nguyen(x,y) thoa man: 

10x + y = x² + y² +1

tim tong tat ca cac so nguyen x thoa man 

|x| <4

|x| khong vuot qua 5