3.

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Diketahui A = {1,2,3,4,5), B = {3, 4, 5, 6, 7), dan C = {5, 6, 7, 8, 9, 10). Tentukan:
a. A-C,
b. B-C
Jawab:​

3.

Jawaban:

a). {1,2,3,4,5,} – {5,6,7,8,9,10}

={1,2,3,4}

b). {3,4,5,6,7} – {5,6,7,8,9,10}

={3,4}