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Properties: parallelogram
Author:
David T
Topic:
Parallelogram
,
Quadrilaterals
Properties of the parallelogram
GeoGebra
New Resources
Poorly Drawn Parallelograms 2
探究由平行線和截線所成的角
alg2_05_05_04_applet_exp_fxn_flvs
alg2_05_05_01_applet_exp_2_flvs
Poorly Drawn Parallelograms 3
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