#(U) = 30, #(A \ cup B \ cup C) ^ c = 5, #(A \ cup B) = 23, #(A - C) = 12, #(A \ cap C) = 4, #(B \ cap C) = 8, #(A \ cap B \ cap C) = 3, #(A \ cap B) = 11 el resultado A + B + C?
#(U) = 30, #(A \ cup B \ cup C) ^ c = 5, #(A \ cup B) = 23, #(A - C) = 12, #(A \ cap C) = 4, #(B \ cap C) = 8, #(A \ cap B \ cap C) = 3, #(A \ cap B) = 11 el resultado A + B + C.