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兩數相加
Author:
李俊賢
藉由數線來表示正負數的相加
GeoGebra
New Resources
montecarlo circles 1
montecarlo circles 5
random coprime pairs
Untitled
Line and Circle Practice
Discover Resources
Graphing Linear Equations in 2 Unknowns
PMC 2009-10 Q6
การลบจำนวนเต็ม
คิดเลขเร็ว
Discover Topics
Definite Integral
Confidence Interval
Rational Numbers
Straight Lines
Symmetry