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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