Cap so nguyen duong ( x,y ) thoa man |(x2 + 2).(y + 1)| = 9 la (x,y)=.....
(Nhap cac gia tri theo thu tu , cach nhau boi dau;)
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 cap (x;y) nguyen thoa man (x+1)(y+2)=7
so cac cap (xy)nguyen thoa man :x>y va x/9=7/y
Cho x;y la so nguyen sao cho | x | + | y | = 5. So cap so nguyen ( x;y ) thoa man la
cho 2 so x;y la cac so nguyen sao cho :/x/ +/y/ = 2 so cap (x;y) thoa man la
so cac cap (x;y) tu nguyen thoa man : x/5 - 4/y = 1/3
so cap x;y nguyen thoa man [x+1][x+2]=7 la bao nhieu
so cap so nguyen x,y thoa man 5/x-y/3=1/6 la
