Opyt prepodavaniia arifmietiki v natchalnoï chkolie
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| Main Author: | |
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| Format: | book biblioteca |
| Language: | rus |
| Published: |
Izdatelstvo Akademii pedagoghitcheskikh naouk R.S.F.S.R
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| Subjects: | Arithmetic, Mathematics education, Primary education, |
| Online Access: | https://unesdoc.unesco.org/ark:/48223/pf0000177289 |
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