Sagot :
Answer:
1.{1,2, 3,4,5,6,7}
Step-by-step explanation:
{The universal set is
A U B U C={1,2,3,4,5,6,7}
it include all the elements A, B and C}
Answer:
1.{1,2, 3,4,5,6,7}
Step-by-step explanation:
{The universal set is
A U B U C={1,2,3,4,5,6,7}
it include all the elements A, B and C}