blainsmith04
blainsmith04 blainsmith04
  • 11-09-2019
  • Mathematics
contestada

Add or subtrack
1. -16 +21
2.-13--12
3.-23-(-8)​

Respuesta :

vizean04
vizean04 vizean04
  • 11-09-2019

Answer:

1. subtract

2.  add

3. add

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