AMC 8 1990 Problem 19
AMC8 1990 年第 19 题
鸽巢原理与策略★★★☆☆
There are 120 seats in a row. What is the fewest number of seats that must be occupied so the next person to be seated must sit next to someone?
一排有 120 个座位。最少需要坐满多少个座位,才能使下一个入座的人必须挨着某人坐?
- A.30
- B.40
- C.41
- D.60
- E.119
正确答案 · Correct Answer
B
解析 · Solution
解析整理中
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