Adunarea cu trecere peste ordin până la 20

Adunarea cu trecere peste ordin până la 20
Precizare: exercițiile de început sunt exerciții cu trecere peste ordin de formare a zecii cu care copiii sunt obișnuiți
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Short Guitar Clip by Audionautix is licensed under a Creative Commons Attribution license (creativecommons.org/licenses/...)
Artist: audionautix.com/
Home Base Groove by Kevin MacLeod is licensed under a Creative Commons Attribution license (creativecommons.org/licenses/...)
Source: incompetech.com/music/royalty-...
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Deliberate Thought by Kevin MacLeod is licensed under a Creative Commons Attribution license (creativecommons.org/licenses/...)
Source: incompetech.com/music/royalty-...
Artist: incompetech.com/