naedny naedny
  • 23-01-2017
  • Mathematics
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Explain how you used mental math

Explain how you used mental math class=
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happyjamandnut happyjamandnut
  • 23-01-2017
Addition, I would use the principles of addition. 
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milenaxmendes1 milenaxmendes1
  • 23-01-2017
Addition is the correct answer
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