• Matéria: Matemática
  • Autor: tainandf6
  • Perguntado 6 anos atrás

b) (–7) ・ (+2) ・ (–1) = c) (+9) ・ (–2) ・ (+5) = d) (–5) ・ (+3) ・ (–2) = e) (–10) ・ (+2) ・ (+3) =

Respostas

respondido por: dwang9397
1

Resposta:

b) (–7).(+2).(–1) = +14

c) (+9).(–2).(+5) = -90

d) (–5).(+3).(–2) = +30

e) (–10).(+2).(+3) = -60

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