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拋物線
Author:
Ho-Kai Chen
Topic:
Parabola
GeoGebra
New Resources
拼砌四邊形
兩組對邊相等的四邊形
兩組對邊相等和有直角的四邊形
算柱 (兩位數)
兩位數除以一位數（一）
Discover Resources
四則運算
第一次任務
reflectional symmetry_6
Angles between line and planes in a cuboid
巧算周界
Discover Topics
Standard Deviation
Means
Confidence Interval
Vectors 3D (Three-Dimensional)
Expected Value