Các câu hỏi tương tự
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(x;y) thoa man; x^2+6xy=18 va x-2y=-7/2*y
1.Tim cac cap so nguyen x,y sao cho x+y=2xy
2.Tim GTNN A = x2+3(x-1)2
tim cac cap so nguyen duong (x,y) thoa man phương trình 6x2 + 5y2 = 74
tim tat ca cac cap so nguyen to (p,q) sao cho p^2-2.q^2=1
Giúp mình nhé
co cac so nguyen duong a,b.c nguyen to cung nhau tm (a+b)=ab cmr a+b la co chinh phuong
xy-x+2(y-1)=13
tim cap so nguyen x,y