Question

10 - Calcule:
a) (-3).)-4)=
b) (+5).(+3)=
c) (-2).(+10)=
d) (+8).(-3)=
e) (-4).(-2).(+3)=
f) (-5).(+5).(+2) =

me ajuda​

Answer 1

A )

( - 3 ) . ( - 4 )

+ 12

B )

( + 5 ) . ( + 3 )

+ 15

C )

( - 2 ) . ( + 10 )

- 20

D )

( + 8 ) . ( - 3 )

- 24

E )

( - 4 ) . ( - 2 ) . ( + 3 )

+ 8 . + 3

+ 24

F )

( - 5 ) . ( + 5 ) . ( + 2 )

- 25 . + 2

- 50

Espero ter ajudado , bons estudoa .