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动点练习6
Author:
吕春杉
GeoGebra
New Resources
兩組對邊相等和有直角的四邊形
四邉形 (四年級) 教師版
拼砌四邊形
兩位數除以一位數(一)
錐體建築師
Discover Resources
waaachen
sun1
兩線段和圓3
congruent (SSA, RHS)
locus
Discover Topics
Numbers
Centroid or Barycenter
Normal Distribution
Triangles
Rational Numbers