AMC 8 1996 Problem 21
AMC8 1996 年第 21 题
排列与组合★★★★☆
How many subsets containing three different numbers can be selected from the set so that the sum of the three numbers is even?
从集合 中选取包含三个不同数的子集,使得三数之和为偶数,共有多少种选法?
- A.6
- B.8
- C.10
- D.12
- E.24
正确答案 · Correct Answer
D
解析 · Solution
解析整理中
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