Question

Efetue as multiplicações: a) ( + 10 ) . ( + 3 ) b) ( + 8) . ( – 5 ) c) ( – 18 ) . ( + 4 ) d) ( – 9 ) . ( – 7 ) e) ( – 3 ) . ( + 4 ) . ( + 3 ) . ( – 2 ) f) ( –2 ) . ( – 6 ) . ( – 4 ) g) 2 . (- 5 ) . ( + 6 ) h) (- 3 ) . 4 . ( – 7 )

Answer 1

Resposta:

A) +30

B) -40

C) -76

D) +63

E) +72

F) -48

G) -60

H) +84

Explicação passo-a-passo: