21-08-2014
Mathematics

contestada

93+(68+7) in commutative,associative,and identity way

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21-08-2014

Commutative:
93 + (68 + 7)   ⇒   (68 + 7) + 93

Associative:
93 + (68 + 7)   ⇒   (93 + 68) + 7

Identity:
93 + (68 + 7) + 0 ⇒   93 + (68 + 7)

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