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Simplificando  � 42 ⋅ � 7 7 7 a 42 ⋅b 7 ​  obtém-se: � 49 ⋅ � 7 a 49 ⋅b 7 � 6 ⋅ � 7 a 6 ⋅b 7 � 6 ⋅ � 0 a 6 ⋅b 0 � 7 ⋅ � 7 a 7 ⋅b 7 � 6 ⋅ � a 6 ⋅b

G

Gustavo

09/04/24