annmarie92
annmarie92 annmarie92
  • 08-12-2018
  • Mathematics
contestada

i need to know the answer ASAP please help

i need to know the answer ASAP please help class=

Respuesta :

Аноним Аноним
  • 08-12-2018

Answer:

4, -4

-20-(-)16=-4

100+(-)80=20

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