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百分數：買賣問題（HTML5 版）
Author:
Anthony OR 柯志明
柯志明 香港 GeoGebra 學院
Discover Resources
test
Definite Integral Calculator
Animation 3
Trig - Periodic Equilibrium
Area Under the Curve
New Resources
Tiesinio reiškinio grafikas
Coins in a row
Reflection Explorer
Vector Field 3D
SEMICIRCLE
