2. 职称英语
  3. Set A = {2, 4, 6}, Set B = {2, 4, 6, 8, 10, 12}. Now what is the possible number

Set A = {2, 4, 6}, Set B = {2, 4, 6, 8, 10, 12}. Now what is the possible number

游客2024-01-12  39
问题 Set A = {2, 4, 6}, Set B = {2, 4, 6, 8, 10, 12}. Now what is the possible number of Set C, such that A is a subset of C and C is a subset of B? ________.
选项
答案 8
解析 A是C的子集，说明C一定包含2，4，6；C是B的子集，所以C有可能(有或无)包括8，10，120这三个数字每个都有“选择”和“不选”两种方案，因此答案是2×2×2=8。
转载请注明原文地址:https://www.tihaiku.com/zcyy/3355337.html
相关试题推荐
随机试题
最新回复(0)