Efetue as multiplicações:
(A) ( + 5 ) . ( + 3 )
(B) ( + 4 ) . ( - 5 )
(C) ( - 8 ) . ( + 4 )
(D) ( - 6 ) . ( - 7 )
(E) ( - 2 ) . ( + 4 ) . ( + 3 ) . ( - 1 )
(F) ( - 5 ) . ( - 6 ) . ( - 2 )
(G) 2 . ( - 3 ) . ( + 6 )
(H) ( - 3 ) . 5 . ( - 7 )
Soluções para a tarefa
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Efetue as multiplicações:
(A) ( + 5 ) . ( + 3 ) = + 18
(B) ( + 4 ) . ( - 5 ) = - 20
(C) ( - 8 ) . ( + 4 ) = - 32
(D) ( - 6 ) . ( - 7 ) = + 42
(E) ( - 2 ) . ( + 4 ) . ( + 3 ) . ( - 1 ) = + 24
(F) ( - 5 ) . ( - 6 ) . ( - 2 ) = - 60
(G) 2 . ( - 3 ) . ( + 6 ) = - 36
(H) ( - 3 ) . 5 . ( - 7 ) = 105
(A) ( + 5 ) . ( + 3 ) = + 18
(B) ( + 4 ) . ( - 5 ) = - 20
(C) ( - 8 ) . ( + 4 ) = - 32
(D) ( - 6 ) . ( - 7 ) = + 42
(E) ( - 2 ) . ( + 4 ) . ( + 3 ) . ( - 1 ) = + 24
(F) ( - 5 ) . ( - 6 ) . ( - 2 ) = - 60
(G) 2 . ( - 3 ) . ( + 6 ) = - 36
(H) ( - 3 ) . 5 . ( - 7 ) = 105
nailton1997:
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