jika A ={ x l 2 < x < 9, x bilangan asli } dan B = { x l 3 < x < 7, x bilangan asli, maka A-B=
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Pertanyaan
jika A ={ x l 2 < x < 9, x bilangan asli } dan B = { x l 3 < x < 7, x bilangan asli, maka A-B=
1 Jawaban
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1. Jawaban sulisriyanto
Jawab :
A = {3, 4, 5, 6, 7, 8}
B = {4, 5, 6}
A - B = {3, 7, 8}
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