Question

{+2)+[(-2)+(-1)]}{(-4)+[(-2)+(-1)]}
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Answer 1

❥Holiwi꧂

{+2)+[(-2)+(-1)]}{(-4)+[(-2)+(-1)]}

=(2+−3)(−4)−2−1

=(−1)(−4)−2−1

=4−2−1

=4+−3

=1 → Respuesta.