Các câu hỏi tương tự
so cap x;y nguyen thoa man [x+1][x+2]=7 la bao nhieu
so cap (x;y) nguyen thoa man (x+1)(y+2)=7
Cho x;y la so nguyen sao cho | x | + | y | = 5. So cap so nguyen ( x;y ) thoa man la
co tat ca bao nhieu cap so tu nhien (x,y) tho man :(2x+1) (y-3)=10 . co bao nhieu cap?
cho 2 so x;y la cac so nguyen sao cho :/x/ +/y/ = 2 so cap (x;y) thoa man la
cap so nguyen duong x;y thoa man |(x2+2).(y+1)| =9
so cap so nguyen x,y thoa man dieu kien 3/x+y/3=5/6 la ... cap
so cac cap (x;y) tu nguyen thoa man : x/5 - 4/y = 1/3
so cap so nguyen x,y thoa man 5/x-y/3=1/6 la