iamrona iamrona
  • 23-02-2021
  • Mathematics
contestada

1. (-78) + (-98) =
2. (+45) + (+23) =
3. (+67) + (-56) =
4. (98) + (-73) =
5. (-971) + (+237) =​

Respuesta :

mahlasela66
mahlasela66 mahlasela66
  • 23-02-2021

Answer:

1.-179

2.68

3. 11

4. 25

5. -734

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