Union Exemple 1 B={6,7,8,9} A={2,3,4,5} A B 6 2 3 7 4 8 5 {2,3,4,5,6,7,8,9} 9 OK
B Union Exemple 2 B={2,3,7,8,9} A={2,3,} A 2 2 3 3 7 8 {2,3,7,8,9} 9 OK
Intersection Exemple 3 B={7,8,9} A B A={1,2,3} 3 7 1 9 2 8 OK
Intersection Exemple 4 B B={2,3,7,8,9} A={2,3,} A 2 2 3 3 7 8 {2,3,} 9 OK
Relative complement or difference of sets Exemple 5 A B A={3,4,5,6} B={7,8,9,10} 3 8 5 7 9 4 6 10 A – B = {3,4,5,6} OK
Relative complement or difference of sets Exemple 6 A B A={3,4,5,6} B={7,8,9,10} 3 7 4 9 5 8 10 6 OK B– A = {7,8,9,10}
Relative complement or difference of sets Exemple 7 A A={3,4,5,6,7,8} 5 B={7,8} 4 6 B 3 7 7 8 8 A– B = {3,4,5,6} OK
Relative complement or difference of sets Exemple 4 A={3,4,5,6,7,8} B={7,8} A 5 6 4 B 7 7 3 OK 8 8 B – A=
U Complement Exemple 8 U ={1,2,3,4,5,6,7,8,9,10} B={2,3,4} A={3,7,8} 6 OK = {1,5,6,9,10}
U Complement Exemple 9 U ={1,2,3,4,5,6,7,8,9,10} B={2,3,4} A={3,7,8} 6 = {1,2,4,5,6,7,8,9,10} OK
การแสดงเขตพื้นที่แรเงา A B 2 2 3 3 1 1 1 1 2 4 4 2 การแสดงเขตพื้นที่แรเงา
Exemple 10 Draw a Venn diagram 0f the following set A B A B A B 1 2 3 1 2 3 1 2 3 4 4 4 OK
Exemple 11 Draw a Venn diagram 0f the following set A B A B 3 1 2 3 1 2 3 1 2 4 4 4 OK
Exemple 12 Draw a Venn diagram 0f the following set A B A B A B 1 2 3 1 2 3 2 3 1 4 4 4 OK 2
Exemple 13 Draw a Venn diagram 0f the following set A B A B A B 1 2 3 1 2 3 1 2 3 4 4 4 OK 2
Exemple 14 Draw a Venn diagram 0f the following set A B A B A B 1 2 3 1 2 3 3 1 1 2 4 4 4 OK 1 1
Exemple 15 Draw a Venn diagram 0f the following set A B A B A B 1 3 2 3 1 2 3 1 2 4 4 4 OK 1
Home work Practice 1.4 Page… 23 U A B 3)Make five copy of a given Venn diagram Use each copy to shade one of the following sets U A B
Home work Practice 1.4 Page… 24 U A B 6 1 2 4 7 5 3 8 4)Make four copy of a given Venn diagram Use each copy to shade one of the following sets U A B 6 1 2 4 7 5 3 8
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