Question

responda:
a)21
b)27
c)33​

Answer 1

Resposta:

AUB=A+B- (An B) 16 = 10+ B-5

B= 11

AUC=A+C- (ANC) 15=10+ C - 4

C= 9

AUBUC=A+B+C - (An B)-(BnC) - (An C) + (An Bn C) AUBUC 10+11+ 9-5-6-4+2 AUBUC=17