katrinamale katrinamale
  • 22-10-2017
  • Mathematics
contestada

write or draw to explain two different ways to find the difference for 12-3

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Sushi121212
Sushi121212 Sushi121212
  • 24-10-2017
You can do the normal 12 - 3 = 9

Or 12 + (-3) = 9
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