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;)
so cac cap (xy)nguyen thoa man :x>y va x/9=7/y
so cac cap so tu nhien (x;y) thoa man dieu kien: (x+3)(y+2)=20
cho 2 so x;y la cac so nguyen sao cho :/x/ +/y/ = 2 so cap (x;y) thoa man la
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
trong cac cap so tu nhien [x;y] thoa man [2x+1] nhan [y-3] =10
4/x=5-2y/3
tim cac cap so nguyen (x,y). thoa man
giup mik voi de thi thu day ai giup dc thi mik tik cho
cho x ; y la cac so nguyen to sao cho gia tri tuyet doi cua x cong gia tri tuyet doi cua y bang 5 so cap so nguyen (x;y) thoa man la
Tim cac cap so nguyen x,y thoa man
a) xy-5x+y=17
b) x.(y-2)=3 va x>y
