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鐘面的時間（時和分）
Author:
Eduardo Neto
,
Anthony OR 柯志明
GeoGebra
柯志明 香港 GeoGebra 學院
New Resources
רישום חופשי
Comparing Two Quantities by Percentage
Pendulum Snake
Constructing the Angle Bisector + Practice
apec
Discover Resources
Corresponding Angles In lines
GCT G06_U12_GCT01_b
PR2b-01-P3-Q3 Solving Multiplication Equations using Scales
Area of circle by infinitesimal division
Circumcenter Demo
Discover Topics
Derivative
Inequalities
Logarithm
Conic Sections
Subtraction