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Bài tập 20b trang 55
作者：
TANG Minh Dung
GeoGebra
最新資源
Damped Trochoidal Curve
Viviani's Curve
רישום חופשי
Hyperbolic Paraboloid
Cartesian vs Polar
探索資源
Forum_f=5&t=38656_B_KontinuitätSchneideKreis
Angle at the centre Theorem
Starter problems 2016
Arcs & Angles MOM
Pythagore-2
Tenging töflureiknis og teikniglugga
探索主題
四邊形
幾何中心或重心
Pythagoras or Pythagorean Theorem
3D 向量（三維）
減法