Question

Tìm các số nguyên X,Y sao cho: X.Y=6

Answer 1

\(\Leftrightarrow\left(x;y\right)\in\left\{\left(-6;-1\right);\left(-1;-6\right);\left(6;1\right);\left(1;6\right);\left(-2;-3\right);\left(-3;-2\right);\left(2;3\right);\left(3;2\right)\right\}\)

Answer 2

nhiều xy lắm 

vd : x=1,y=6;x=6,y=1:x=2,y=3;...........................vv