Tim tat cac cac cap so nguyen x,y thoa man a) x^2+5xy+4y^2
b)xy-2x+3y-1
Tim tat cac cac cap so nguyen x,y thoa man a) x^2+5xy+4y^2
b)xy-2x+3y-1
tim tat ca cac so nguyen x,y thoa man x^3+x^2+2-2y=xy
tim cac cap so nguyen(x;y) thoa man; x^2+6xy=18 va x-2y=-7/2*y
tim cac cap so nguyen duong (x,y) thoa man phương trình 6x2 + 5y2 = 74
tim tat ca cac so nguyen x thoa man : (x+2014)^2=64.(x+2017)^3
Tim cac cap so (x,y) duong thoa man (x-y)^3=(x-y-6)^2
Tim cac so nguyen x,y thoa man: \(x^3+2x^2+3x+2=y^3\)
tim tat ca cac so nguyen to p,q thoa man p^3+q^3+1=p^2.q^2