Let U(12345678),A(234),B(345) show that (AUB)\' A\'-B\' and (AUB)\' A\' intersection B

Let U(12345678),A(234),B(345) show that (AUB)\' A\'-B\' and (AUB)\' A\

1.	Let U(12345678),A(234),B(345) show that (AUB)\' A\'-B\' and (AUB)\' A\' intersection B
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