Seudónimo Seudónimo
  • 02-11-2016
  • Mathematics
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explain two different ways to find the difference for 12-3?

Respuesta :

lc2002
lc2002 lc2002
  • 02-11-2016
12 - 3 = 9
3 + 9 = 12
12 - 9 = 3
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