Question

Bom dia

Calcule:

a) (+ 9) . (+ 1) =

b) (- 20) . (+ 1) =

c) (+ 32) . (+ 1) =

d) (+9). (- I) =

e) (-20 ) . (-1) =

f) (+32 ) . (-1) =
me ajudem pfv
.
.
.
.
.
obrigada❤️❤️❤️​

Answer 1

a) 9

b) 20

c) 32

d) -9

e) 20

f) -32

^-^