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平行四邊形與三角形
Author:
李春培
平行四邊形與三角形
平行四邊形與三角形
Discover Resources
Folding Ellipse
or do it that way
parallelPerp
Algebra Graphing Absolute Value
Transforming graphs
New Resources
testfileFri Aug 17 20:03:01 CEST 20180.11388221354201777
adding squares - piece 2
The Sierpinski triangle from a slide in GeoGebra.
Slope of Secant line.
testfileFri Aug 17 23:45:13 CEST 20180.5682246474653943
