Question

a) (-1)-3 – (-3)-1
b) (2-4 + 4-2)-1
c) 3-4 - 3-2
d) (8-2 . 43)-1

Answer 1

a) (-1)-3 – (-3)-1

-1 - 3 + 3 - 1 =

-4 + 3 - 1 =

-1 -1 = -2


b) (2-4 + 4-2)-1

(-2 + 2) - 1 =

0 - 1 =

-1

c) 3-4 - 3-2

-1 - 3 - 2 =

-4 - 2 =

-6

d) (8-2 . 43)-1

( 6 • 43 ) -1 =

258 - 1 =

257





Espero ter ajudado!

Answer 2

a) (-1)-3 – (-3)-1

-4 + 3 - 1

-1 - 1

-2

b) (2-4 + 4-2)-1

2 - 2 - 1

0 - 1

-1

c) 3-4 - 3-2

-4 - 2

-6

d) (8-2 . 43)-1

8 - 86 - 1

-78 - 1

-79