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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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רישום חופשי
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Roll 6d five times
Flip 4 Coins
Experiments with Transformations in the Plane
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Motion Graphs
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parallelogram
Example 1
Subtracting Fractions with Like Denominators
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Quadratic Equations
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Orthocenter
Confidence Interval
