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tty1 tty1
  • 15-12-2015
  • Mathematics
Answered

show how to make a ten to solve 13-7

Verified Answer :

apologiabiology
apologiabiology apologiabiology
  • 15-12-2015

13=3+10
so it is now
3+10-7
we know that 10-7=3 so we now have
3+3=6
tada

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