There are 22 students in the class CSCI 1311. • How many of them must have at least been born the same month?

2016-12-02 2:17 am

回答 (2)

2016-12-02 10:24 am
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
2016-12-02 7:52 am
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?


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