S25G1 圓餅圖與各級學校人數1:繪製圓餅圖與百分比

Title:
S25G1 圓餅圖與各級學校人數1:繪製圓餅圖與百分比
Duration:
02:14
http://www.youtube.com/watch?v=QX_ae_vCazk
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Added   by anchiang chu
Format: Youtube
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This video is part of Amara Public.