Question

det nr nat x si y, astfel incat x×y=18.

Answer 1

x∈{1,2,3,6,9,18}
y={18;9;6;32;1}

Answer 2

18=1×18=2×9=3×6
x€{1,2,3,6,9,18}
y€{18,9,6,3,2,1}