AMC 8 1994 Problem 21
AMC8 1994 年第 21 题
鸽巢原理与策略★★★☆☆
Problem A gumball machine contains 9 red, 7 white, and 8 blue gumballs. The least number of gumballs a person must buy to be sure of getting four gumballs of the same color is
一台口香糖机装有 9 颗红色、7 颗白色和 8 颗蓝色口香糖。要确保得到四颗同色的口香糖,最少需要买多少颗?
- A.8
- B.9
- C.10
- D.12
- E.18
正确答案 · Correct Answer
C
解析 · Solution
解析整理中
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