Respuesta:
a) -4 x (-4) = 16
b) -6 x (-8) = 48
c) 9 x (-5) = -45
d) 3 x (-7) = -21
e) -2 x (9) = -18
Explicación paso a paso:
regla de los signos
- x - = +
- x + = -
+ x - = -
+ x + = +
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Respuesta:
a) -4 x (-4) = 16
b) -6 x (-8) = 48
c) 9 x (-5) = -45
d) 3 x (-7) = -21
e) -2 x (9) = -18
Explicación paso a paso:
regla de los signos
- x - = +
- x + = -
+ x - = -
+ x + = +