Các câu hỏi tương tự
Tim cac cap so nguyen x,y thoa man
a) xy-5x+y=17
b) x.(y-2)=3 va x>y
a, co bao nhieu cap so nguyen ( x,y ) thoa man x + y=1
b. co bao nhieu cap so nguyen ( x,y ) thoa man x.2 + y =1
so cac cap (xy)nguyen thoa man :x>y va x/9=7/y
Tìm cap so tu nhien (x;y) thoa man xy +2x+5y=14
so cac cap so nguyen xy thoa man (3x-50(y+9)=243
So cap ( x,y) thoa man (x+1).(y+2)=7
so xcac cap xy thoa man 4y^2-3+5-2x=2013
so cap (x;y) nguyen thoa man (x+1)(y+2)=7
cho 2 so x;y la cac so nguyen sao cho :/x/ +/y/ = 2 so cap (x;y) thoa man la