cho 2 so x;y la cac so nguyen sao cho :/x/ +/y/ = 2 so cap (x;y) thoa man la
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
so cap so nguyen x,y thoa man dieu kien 3/x+y/3=5/6 la ... cap
so cap x;y nguyen thoa man x>y va x/5=7/y la giup mik nhe mik tik cho !
so cap so nguyen x,y thoa man 5/x-y/3=1/6 la
so cap ( x , y ) nguyen thoa man (y +1 ) (2x +3 ) = 7 la.....
so cap x;y nguyen thoa man [x+1][x+2]=7 la bao nhieu
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
cho x,y la cac so nguyen to thoa man x^2+45=y^2.Tong x+y=