Question

Aflati cardinalul multimilor
A={x∈N/x<2001}
B= { x ∈ N* / x ≤ 1957 }
C= { x ∈ N / 4 ≤ x ≤ 10 }
D = { x ∈ N / 2 < x < 7 }
E = { x ∈ N / 5 < x ≤14 }
F = { x ∈ N / 2 ≤ x < 2002 }
Văăă rog dau 10 de puncte + coroana !!!

Answer 1

A={0,1,2,3,4,5,6,...,2000}
B={1,2,3,4,5,6,...,1957}
C={4,5,6,7,8,9,10}
D={3,4,5,6}
E={6,7,8,9,10,11,12,13,14}
F={2,4,5,6,7,8,...,2002}
cardinal A=2001
cardinal B=1957
cardinal C=7
cardinal D=4
cardinal E=9
cardinal F=2000

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