Taryn11 Taryn11
  • 10-01-2016
  • Mathematics
contestada

Break a part the addends to find the sum 18+21

Respuesta :

Аноним Аноним
  • 10-01-2016
18------10+8
20------20+1

10+8+20+1=39

Hope that helped:)
Answer Link
Аноним Аноним
  • 10-01-2016
- - Solve:
18 - - 10+8
21 - - 10+11

10+8+10+11=39

=18+21=39
Answer Link

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