1题L=∑m(0,1,3,5,7)= ∑m(0,3)+ ∑m(1,5)+ ∑m(5,7)=A’C’+B’C+AC
2题L=∑m(3,4,5,6,7,11,15)= ∑m(3,7,11,15)+ ∑m(4,5,6,7)=CD+A’B
3题L=∑m(1,3,4,6,9,11,12,14)= ∑m(1,3,9,11)+ ∑m(4,6,12,14)=B’D+BC’
4题L=∑m(0,1,2,5,8,9,10,13)= ∑m(0,2,8,10)+ ∑m(1,5,9,13)=B’C’+C’D
4题L=ABC+ABC'+A'B'C'+A'BC=∑m(0)+ ∑m(3,7)+ ∑m(6,7)=A’B’C’+BC+AB