题目
9.[多选题]设A、B、C是三个随机事件，下列哪些关系成立?A. A cup (B cap C) = (A cup B) cap (A cup C)B. A cap (B cup C) = (A cap B) cup (A cap C)C. A cup (B cup C) = (A cup B) cup CD. A cap (B cap C) = (A cap B) cap CE. A cup (B cap C) = (A cap B) cup (A cap C)
9.[多选题]设A、B、C是三个随机事件，下列哪些关系成立?
A. $A \cup (B \cap C) = (A \cup B) \cap (A \cup C)$
B. $A \cap (B \cup C) = (A \cap B) \cup (A \cap C)$
C. $A \cup (B \cup C) = (A \cup B) \cup C$
D. $A \cap (B \cap C) = (A \cap B) \cap C$
E. $A \cup (B \cap C) = (A \cap B) \cup (A \cap C)$
题目解答
答案
ABCD
A. $A \cup (B \cap C) = (A \cup B) \cap (A \cup C)$
B. $A \cap (B \cup C) = (A \cap B) \cup (A \cap C)$
C. $A \cup (B \cup C) = (A \cup B) \cup C$
D. $A \cap (B \cap C) = (A \cap B) \cap C$
A. $A \cup (B \cap C) = (A \cup B) \cap (A \cup C)$
B. $A \cap (B \cup C) = (A \cap B) \cup (A \cap C)$
C. $A \cup (B \cup C) = (A \cup B) \cup C$
D. $A \cap (B \cap C) = (A \cap B) \cap C$