问题描述：
布尔逻辑式 A AND (B OR C)展开以后是什么
布尔逻辑式 A AND (B OR C)展开以后是 (A AND B) OR (A AND C),还是 (A AND B) OR (A AND C) OR (A AND B AND C)?一下反应不过来了.
布尔逻辑式 A AND (B OR C)展开以后是 (A AND B) OR (A AND C),还是 (A AND B) OR (A AND C) OR (A AND B AND C)?一下反应不过来了.
问题解答：
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