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4 ปี 3 เดือนAge: 7-8
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Language: Bulgarian
(bg)
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08/04/2020
Country code: BG
Country: Bulgaria
Main content: Събиране и изваждане до 20 (2012154)
From worksheet author:
Упражнение събиране и изваждане до 20
Other contents:
Упражнение
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![Събиране и изваждане до 20 Събиране и изваждане до 20](/sites/default/files/styles/worksheet/public/def_files/2020/4/8/4081620393794/4081620393794001.jpg?itok=-C7E1ieC)
![Събиране и изваждане до 20 Събиране и изваждане до 20](/sites/default/files/styles/worksheet/public/def_files/2020/4/8/4081620393794/4081620393794002.jpg?itok=VyAabkxs)
![Събиране и изваждане до 20 Събиране и изваждане до 20](/sites/default/files/styles/worksheet/public/def_files/2020/4/8/4081620393794/4081620393794003.jpg?itok=V-CLGhf1)