Verify the (1) closuer property (2) commutative property (3) associative property (4) existence of identity and (5) existence of inverse for the arithamatic operation + on Z.

Matching exercise

    
Match the items on the right to the items on the left.
Step 1
Step 2
Step 3
Step 4
Step 5
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screenshot12.2_1.png
screenshot12.2_3.png
screenshot12.2_2.png
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