nicol173928 nicol173928 02-03-2021 Matemáticas contestada a) (‒2) – (–6) ‒ (–4) – (+5) b) (‒6) + (+3) ‒ (+6) + (–7) c) (+3.4) + (‒0.2) ‒ (‒5.2) ‒ (+1.4)
