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Човекът и природата
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Слънчева система
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Age 9-10
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level: 4
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Bulgarian
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-
Човекът и природата
-
Слънчева система
-
Age 9-10
-
level: 4
-
Bulgarian
คำแนะนำของผู้เขียน
Кратки въпроси върху изучаваните планети