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题目内容
Each of 12 books on a shelf has a single classification as Mathematics, Science, or English. At least 1 book is classified as Mathematics, at least 3 books are classified as Science, and at least 3 books are classified as English. There are an odd number of books classified as Science and an odd number of books classified as English. Which of the following could be the number of books classified as Mathematics?
Indicate all such numbers.
Indicate all such numbers.
A,B,D显示答案
· 相关考点
1.4.2 奇偶性运算
以上解析由 考满分老师提供。