2.4 Operations and Venn Diagrams with Three Sets by pptfiles

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									2.4 Operations and Venn
Diagrams with Three Sets
Nothing new here. If you can add two numbers, you can add three. One step at a time.
 U = {1, 2, 3, 4, 5, 6, 7, 8, 9}
 A = {1, 2, 3, 4, 5}
 B = {1, 3, 6, 9}
 C = {2, 4, 6, 8}

 Find:


Work inside the parenthesis first.
U = {1, 2, 3, 4, 5, 6, 7, 8, 9}
A = {1, 2, 3, 4, 5}
B = {1, 3, 6, 9}
C = {2, 4, 6, 8}

Find:




Work inside the parenthesis first.
U = {1, 2, 3, 4, 5, 6, 7, 8, 9}
A = {1, 2, 3, 4, 5}
B = {1, 3, 6, 9}
C = {2, 4, 6, 8}

Find:




Work inside the parenthesis first.
A Venn diagram with three sets
                            Which regions are in set A?
                            1, 2, 4, 5
A               B
1       2           3       Which regions are in set B?
        5                   2, 3, 5, 6
    4       6
                            Which regions are in set C?
        7                   4, 5, 6, 7
            C
                        8   Which regions are in        ?
                            4, 5
                            Which regions are in              ?
                            1, 2, 4, 5, 6
                            Which regions are in              ?
                            2, 4, 5
                            Which regions are in          ?
                            3, 8
A Venn diagram with three sets
                            Which regions are in   ?
                            1, 2, 3, 6, 7, 8
A               B
1       2           3
                            Which regions are in   ?
        5
    4       6               1, 2, 3, 6, 7, 8
        7
            C
                        8
                            Show that
A               B
1       2           3
        5
    4       6
        7
            C
                        8

								
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