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Take Exam: Mathematics – O-NET Mathayom 6 Practice Set (Academic Year 2568) — Kakabart
Mathematics – O-NET Mathayom 6 Practice Set (Academic Year 2568)
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กำหนด U = {1,2,3,4,5,6,7,8}, A = {1,3,5,7}, B = {3,5,6,8} แล้ว (A ∪ B)' เท่ากับอะไร
A
{2, 4}
B
{1, 2, 4, 6, 7, 8}
C
{3, 5}
D
{1, 2, 3, 4, 5, 6, 7, 8}
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