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yen23022006
GeoGebra
If AB is parallel to DC, angle ABC is equal to angle CDA, and angle BCD is equal to angle DAB, then ABCD is a parallelogram. True
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Blancmange curve (fractal)
探究由平行線和截線所成的角
Explore the invariant lines of matrix {{-2,5},{6,-9}}
alg2_05_05_04_applet_exp_fxn_flvs
alg2_05_05_01_applet_exp_flvs
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Maths Rocket Ship Answer Lee Johnson
Projection of a Vector
Spherical figures
day 84
Enlargements FSF 1Q Quadrilateral
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Terms
Random Variables
Definite Integral
Addition
Centroid or Barycenter