Question

Responda sem efetuar os cálculos :
a ) ( -5 ) . ( - 3 ) . ( -4 ) = ..................... c ) ( - 4 ) . ( - 6 ) . ( - 1 ) . ( - 2 ) = .....................................
b ) ( -2 ) . ( +6 ) . ( -2 ) . ( - 1 ) = .......... d ) ( - 7 ) . ( - 3 ) . ( - 2 ) . ( - 10 ) = ...................................

Answer 1

Explicação passo-a-passo:

a)

$( - 5) \times ( - 3) \times ( - 4) = - 60$

b)

$( - 2) \times 6 \times ( - 2) \times ( - 1) = - 24$

c)

$( - 4) \times ( - 6) \times ( - 1) \times ( - 2) = 48$

d)

$( - 7) \times ( - 3) \times ( - 2) \times ( - 10) = 420$