September 2018 1 139 Report
Sean A y B conjuntos, donde n(A) = 30 y n(B) = 60. Si

n(A ∆ B) = 42, halla n(A ∩ B).
Seleccione una:
a. 18
b. 24
c. 36
d. 39
e. 27
resuelvanlo rapido por fa
examen virtual

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