Question

calculati:a)D6 reunit cu D8 ,b)M2 intersectat cu D12

Answer 1

D6={1,2,3,6}
D8={1,2,4,8}
D6 U D8={1,2,3,4,6,8}


bM2=2,4,6,8......
D12={1,2,3,4,6,12}
M2 INTERSECTAT CU D12={2,4,6,12}