Question

Calcula
A) (-4)×(+3)=
B) (+2)×(-9)=
C) (-6)×(-12)=
D) (-14)×(+2)=
E) (-5)×(-7)=
F) (-20)×(+4)=

Answer 1

A) -12
B)-18
C)+72
D)-28
E)+35
F)-80