Calcule os produtos;
a) ( +2 ) . ( +9 ) =
b) ( +8 ) . ( -5 ) =
c) ( +3 ) . ( +15 ) =
d) 0 . ( -19 ) =
e) ( +2 ) . ( -9 ) =
f) ( -6 ) . ( +11 ) =
g) ( +5 ) . ( -16 ) =
h) ( +11 ) . 0
i) ( -2 ) . ( +21 ) =
a) ( +2 ) . ( +9 ) =
b) ( +8 ) . ( -5 ) =
c) ( +3 ) . ( +15 ) =
d) 0 . ( -19 ) =
e) ( +2 ) . ( -9 ) =
f) ( -6 ) . ( +11 ) =
g) ( +5 ) . ( -16 ) =
h) ( +11 ) . 0
i) ( -2 ) . ( +21 ) =
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b) 40
c) 45
d)0
e) -18
f) -66
g) - 80
h) 0
i) 42
espero ter ajudado!!!!
B) (8).(-5)= -40
C) (3).(15)= 45
D) 0.(-19)= 0
E) (2).(-9)= -18
F) (-6).(11)= -66
G) (5).(-16)= -80
H) (11).0= 0
I) (-2).(21)= -42