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ying ying
  • 10-03-2016
  • Mathematics
Answered

write a number sentences to add 6 ones to 21. write a number sentences to add 6 tens to 21

Verified Answer :

Anonymous Anonymous
  • 10-03-2016

6 + 21 = 27 (Add six ones)
60 + 21 = 81 (Add six tens)

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