Даны множества X и Y.Найти множества 1)X x Y
2)Y x X
3) X x X x Y
X={a;b;c} и Y ={1;2}
2)Y x X
3) X x X x Y
X={a;b;c} и Y ={1;2}
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Даны множества X и Y.Найти множества 1)X x Y2)Y x X
3) X x X x Y
X={a;b;c} и Y ={1;2}
1)X x Y={ (a,1), (a,2) ,(b,1),(b,2),(c,1),(c,2)}
2)Y x X={(1,a), (2,a), (1,b)(2,b),(1,c),(2,c)}
3) X x X x Y={(a,a,1), (a,b,1),(a,c,1),(a,a,2), (a,b,2),(a,c,2),(b,a,1),(b,b,1) (b,c,1),(b,a,2),(b,b,2), (b,c,2),(c,a,1),(c,b,1),(c,c,1),(c,a,2),(c,b,2)(c,c,2)}