Question

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 )

Answer 1

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