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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