Các câu hỏi tương tự
tim cap so thuc (x,y) thoa man;(x+2y)2=(x+2).(y-1).
tim cac cap so nguyen(x;y) thoa man; x^2+6xy=18 va x-2y=-7/2*y
Tim cac cap so (x,y) duong thoa man (x-y)^3=(x-y-6)^2
tim cac cap so nguyên (x,y) thoa man dang thuc
y(x-2)+3x-6=2
cap so nguyen duong x y thoa man x(x-2)-(2-x)y-2(x-2)=3
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 cac cac cap so nguyen x,y thoa man a) x^2+5xy+4y^2
b)xy-2x+3y-1
tim cac cap so nguyen duong (x,y) thoa man phương trình 6x2 + 5y2 = 74