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[Problem Solving]
试题详情
题目：
A certain experimental mathematics program was tried out in 2 classes in each of 32 elementary schools and involved 37 teachers. Each of the classes had 1 teacher and each of the teachers taught at least 1, but not more than 3, of the classes. If the number of teachers who taught 3 classes is n, then the least and greatest possible values of n, respectively, are
选项:
A、0 and 13
B、0 and 14
C、1 and 10
D、1 and 9
E、2 and 8
答案:
A
提问：
这道题的解析思路应该是怎样的？先考虑什么，后考虑什么？
解答：
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阅读1967
提问：
这道题的解析思路应该是怎样的？先考虑什么，后考虑什么？
解答：
点赞0
阅读1968
提问：
选的d，，
解答：
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阅读2040
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