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畫三角形_工作紙
Author:
GeoGebra Institute of Hong Kong
04_WS_Triangle_pinboard
04_WS_Triangle_pinboard.pdf
Word檔:
http://wlts.edb.hkedcity.net/math/04_WS_Triangle_pinboard.doc
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דף ריק לסקיצה משפחה פרמטרית
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Bar Chart or Bar Graph
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