[obm-l] dúvidazinha!!!!

["TSD" <tarciosd@xxxxxxxxx>]

calcule:

n(A U B) = 24

n(A "c"B ) = 4

n(B U C) = 16

n(A - C) = 11

n(B - C)= 10 , calcule

a) n(A - B )

b)n(A "c" B "c" C )

c) n(B - ( C U A ))

d)n(A "c" B) - C )

e) n(B - A(A U B))