August 2022 0 13 Report
Di antara pernyataan berikut :
1 ) A ∪ B = B ∪ A
2 ) ( A ⌒ B )' = A' ∪ B'
3.jika A⊂B,maka A--B=A
Yang merupakan pernyataan benar adalah...
A.1 dan 2
B.1 dan 3
C.2 dan 3
D.1,2,dan 3​

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