a) (+3)x(10)=
b) (-71)x(-9)=
c) (+10)x(-32)
d) (-11)x(+15
b) (-71)x(-9)=
c) (+10)x(-32)
d) (-11)x(+15
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Explicación paso a paso:
a) (+3)x(10)= 30
b) (-71)x(-9)= 639
c) (+10)x(-32) = -320
d) (-11)x(+15= -165
Explicación paso a paso:
(+3)×(10)=30
(-71)×(-32)=2,272
(-11)×(+15)=-165