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作者：
ashlynecivis
GeoGebra
最新資源
apec
Use a matrix with its elements as functions
Square Cross Sections
Solving 2x2 and 3x3 Systems Using Cramer's Rule
Identifying Sine, Cosine, Tangent Ratios in Right Triangles (Quick)
探索資源
Investigating Pythagoras
Sieve of Eratosthenes
pythag
Collinear vectors
探索主題
線段
長方體
角柱
直角三角形
3D 向量（三維）