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彩虹爱心
Author:
陈丽婷
GeoGebra
New Resources
平行線的斜率
斜率的值
第八周作业3
龙形曲线-分形龙2
垂直線的斜率
Discover Resources
最大斜率的直線
FHMS Corr Angles (1 Pair)
教學資源P1~6
歐幾米德多面體（四邊形與六邊形）
同旁內角---不平行綫
Discover Topics
Linear Programming or Linear Optimization
Limits
Arithmetic Operations
Numbers
Curve Sketching