The minimum number of tables needed to represent M, N, P, R1, R2 is

1.	The minimum number of tables needed to represent M, N, P, R₁, R₂ is
A.	2
B.	3
C.	4
D.	5
Answer» C. 4

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The minimum number of tables needed to represent M, N, P, R1, R2 is

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The minimum number of tables needed to represent M, N, P, R₁, R₂ is