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Човекът и природата
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Човекът и природата
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Age 11-12
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level: 5 клас
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Bulgarian
คำแนะนำของผู้เขียน
Упр. върху дишане на растенията
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-
Човекът и природата
-
Човекът и природата
-
Age 11-12
-
level: 5 клас
-
Bulgarian
คำแนะนำของผู้เขียน
Упр. върху дишане на растенията