jhonnyliz1354 jhonnyliz1354
  • 15-03-2021
  • Mathematics
contestada

The 1st flat-bar, or cross, or other operator means:
-9-(-7)

Respuesta :

dspader
dspader dspader
  • 15-03-2021

-9-(-7)

-9--7

-9+7

7-9

-2

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hope it helps

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