tolong jawab y please di kumpulin besok no 6

a). {6,7,8,9,10} U {5,7} = {5,6,7,8,9,10}
b). {4,5} n {1,2,4,6,8,10} = {4}
c). {4,6,8} n {1,2,3,4,5} = {4}

**diteliti lagi ya