There are 22 students in the class CSCI 1311.
• How many of them must have at least been born the same month?
回答 (2)
Sol
12個學生可能在不同月出生
第13個學生至少有一位同學同月出生
第24個學生至少有一位同學同月出生
24>22>12
所以至少有2個學生在同月出生
There are 22 students in the class CSCI 1311, How many of them at least ,who was born in the same month?
CSCI 1311班共有22位學生,他們中至少有幾位肯定是在同一月份出生的?
收錄日期: 2021-04-30 22:10:57
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20161201181736AA9EoX5
檢視 Wayback Machine 備份