December 2022 2 52 Report
Заданы множества А и В. Если известно, что n (A) = 13, n (B) = 19 и A ⊃ B, найдите n ((A ⋃ B) \ A).



А) 6.

B) 10.

C) 13.

D) 19.

E) 32.​
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