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математика
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Прибавяне към 6
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Age 7-8
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level: първи клас
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Bulgarian
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Упражнение в събиране и изваждане
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-
математика
-
Прибавяне към 6
-
Age 7-8
-
level: първи клас
-
Bulgarian
คำแนะนำของผู้เขียน
Упражнение в събиране и изваждане