Question

1. [(-2)(-7)] + [(-4) (-3)) =
=
=

2. -10 +(-3) 7 =
=
=

3. -20 + 4(-5) + 17=
=
=
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Answer 1

Respuesta:

ley de signos -*-=+

Explicación paso a paso:

1. 14+12=26

2. -10+(-21) =-10-21= -31

3. -20+(-20)+17 = -40+17= -23