[질문] 모두구하라고요ㅡㅡ

편의상집합기호생략할꼐요//공집합,a,b,c,d,e,ab,ac,ad,ae,bc,bd,be,cd,ce,de,abc,abd,abe,acd,ace,ade,bcd,bce,cde,abcd,abce,bcde,abde,acde,abcde입니다