问题
解答题
设集合A={0,1,2},写出集合A的所有子集.
答案
集合{1,2}的所有子集为∅、{0}、{1}、{2}、{0,1}、{0,2},{1,2}、{0,1,2}
故答案为:∅、{0}、{1}、{2}、{0,1}、{0,2},{1,2}、{0,1,2}
设集合A={0,1,2},写出集合A的所有子集.
集合{1,2}的所有子集为∅、{0}、{1}、{2}、{0,1}、{0,2},{1,2}、{0,1,2}
故答案为:∅、{0}、{1}、{2}、{0,1}、{0,2},{1,2}、{0,1,2}