Question

calcule as multiplicação
a) (+2) x (+3)=
b) (-8) x (-5)=
c) (-3) x (+9)=
d) (+7) x (-10)=
e) 0 x (-9)=
f) (+8) x 0=

Answer 1

a) 6
b) 40
c) -27
d) -70
e) 0
f ) 0