Seudónimo Seudónimo
  • 14-11-2016
  • Mathematics
contestada

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

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bertraxxxx bertraxxxx
  • 14-11-2016
12-3=9
12+(x)=-3
-3+(x)= -12
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Аноним Аноним
  • 14-11-2016
12-3 is 9. Another way to find the difference is by drawing out 12 shapes and canceling out 3. When you count up the remaining shapes you get 9. Another way is simply by subtracting 3 from 12 to get 9.
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