Answers

2016-06-18T10:20:16+08:00
Well-defined Set
A={apple,mango,grapes,berries,oranges}
K={acacia,narra,holly,oak,maple}
E={rose,sampaguita,gumamela,sunflower,lily,lotus}

Null set
5={   }
2={   }
8={    }
1 5 1