Question

Efetue as multiplicações:

a) ( + 5 ) . ( + 3 ) = b) ( + 4 ) . ( – 5 )=

c) ( – 8 ) . ( + 4 ) = d) ( – 6 ) . ( – 7 )=

e) ( – 2 ) . ( + 4 ) . ( + 3 ) . ( – 1 ) = f) ( – 5 ) . ( – 6 ) . ( – 2 )=

g) (+4). (+3) = h) (-5). (+7) =

i) (+9). (-2) = j) (-8). (-7) =​

Answer 1

Olá!

a) +15

b) -20

c) -32

d) +42

e) 24

f) -60

g) +12

h) -35

i) -18

j) +56