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時鐘（教師用）
Author:
Mr Tsang
可顯示或隱藏分針，讓學生觀察時針的運動。
GeoGebra
New Resources
Dividing a 3-digit number by a 1-digit number (1)
Addition within Two Places
Dividing a 2-digit number by a 1-digit number (1)
Addition of Vectors Algeraically
bewijs stelling van Pythagoras
Discover Resources
ERIKA
Dodeca III Locked
Will It Hit 2
Congruence through Transformations #2
Fraction Strips
Discover Topics
Histogram
Addition
Linear Functions
Binomial Distribution
Expected Value