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

Sagot :

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

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

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