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Key Concept
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Associative property of addition
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For any real number a, b, c, ( a + b ) + c = a + ( b + c )
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The question is $\"\"$ .

The sum is unchanged no matter how one groups the numbers.

This illustrates the Associative Property of Addition $\"\"$ . $\"\"$

Question illustrates Associative Property of Addition.

\ Key Concept \	\ Associative property of addition \
\ For any real number a, b, c, ( a + b ) + c = a + ( b + c ) \