AMC 8 1996 Problem 21

AMC8 1996 年第 21

排列与组合★★★★
How many subsets containing three different numbers can be selected from the set {89,95,99,132,166,173}\{ 89,95,99,132,166,173 \} so that the sum of the three numbers is even?
从集合 {89,95,99,132,166,173}\{ 89,95,99,132,166,173 \} 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?
  1. A.6
  2. B.8
  3. C.10
  4. D.12
  5. E.24

正确答案 · Correct Answer

D

解析 · Solution

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