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    • [°­ÀÇ] ¹Ì±¹±³°ú¼­ Àд ¸®µù 4´Ü°è_K(4)

    • ¼ö°­Àϼö 90ÀÏ

    • ÆÇ¸Å°¡ 20,000¿ø

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  • Unit °­Àdz»¿ë(ÁÖÁ¦) ºÐ·®
    1 Countries in the World 15ºÐ
    2 The World's Best 16ºÐ
    3 Earth Is Our Home 14ºÐ
    4 Recycle, Reuse, and Reduce 13ºÐ
    5 A World of Animals: Bears 12ºÐ
    6 Earthquakes 11ºÐ
    7 The Food Pyramid 13ºÐ
    8 Staying Healthy 13ºÐ
    9 Where Is It? 12ºÐ
    10 Addition and Substraction 13ºÐ
    11 Sculptures 13ºÐ
    12 A World of Instruments 14ºÐ

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