%%

Gaokao Math Practice Question

设集合 $A=\{4,5,7,9\}, B=\{3,4,7,8,9\}$, 全集 $U=A \cup B$, 则集 合 $C_{U}(A \cap B)$ 中的元素共有 ($\qquad$)

  1. A.3 个
  2. B.4 个
  3. C.5 个
  4. D.6 个

Want to know if you got it right?

Answer this and thousands more real Gaokao previous-year questions free, get graded instantly, and climb the global ranked leaderboard.

Practice Gaokao free →

More Gaokao Math questions