Question

Efectua las siguientes operaciones:
a)(-8)(+9) d)(+6)(-2)(+4)(-1)
b)(-6)(-5) e)(+3)(-2)(-3)(-1)
c)(+9)(-7) f)(-5)(-3)(+2)(-2)

Answer 1

a) (-8)(9)=-72
B) (-6)(-5)=+30
c) (+9)(-7)=-63
d) (+6)(-2)(+4)(-1)=+48
e) (+3)(-2)(-3)(-1)=-18
f) (-5)(-3)(+2)(-2)=-60

Answer 2

a) (-8)(9)=-72

B) (-6)(-5)=+30

c) (+9)(-7)=-63

d) (+6)(-2)(+4)(-1)=+48

e) (+3)(-2)(-3)(-1)=-18

f) (-5)(-3)(+2)(-2)=-60