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JAMB - Mathematics (2016 - No. 41)

If Q is a factor of 18 and T is prime numbers between 2 and 18. What is Q\(\cap\)T?
(2,3)
(2,3,18)
(2,3,9)
(2,3,6)

Giải thích

Q = {1,2,3,6,9,18}, T = {2,3,5,7,11,13,17}
Q\(\cap\)T = {2,3}

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