Question

ex 6 va roggggggggg

Answer 1

a)D15∩D18={1,3}
D15={1,3,5,15}
D18={1,2,3,6,9,18}

b)D9∪D24={1,2,3,4,6,8,9,12,24}
D9={1,3,9}
D24={1,2,3,4,6,8,12,24}

c)D8∪D10∪D12={1,2,3,4,5,6,8,10,12}
D8={1,2,4,8}
D10={1,2,5,10}
D12={1,2,3,4,6,12}