Question

4) Calcule
a)5. (-3-1) =
b)7.(2-5) =
c)(-8 + 1).(-3) =
d)(-2-3-1).(4-)=​

Answer 1

4) Calcule .

a)5.(-3-1) =  -20

b)7.(2-5) =  -21

c)(-8 + 1).(-3) =  21

d)(-2-3-1).(4-)=  24

(espero ter acertado e ajudado)

Answer 2

Resposta:

Olá, boa tarde!

4. calcule:

A: ( -20 ); B: ( -21 ); C: 21; D: 24.

a)

5 × [ ( -3 ) - 1 ]

5 × ( -4 )

( −20 )

b)

7 × ( 2 - 5 )

7 × ( -3 )

( −21 )

c)

[ ( -8 ) + 1 ] × ( -3 )

( -7 ) × ( -3)

21

d)

[ ( -2 ) - ( +3 ) - ( +1 ) ] × ( -4 )

( −6 ) × ( -4 )

24

Espero ter ajudado : )

Bons Estudos!

Jesus te ama!