C&T 460 Technology Lesson - Constructing line segments
C&T 460 Technology Lesson - Constructing line segments — 资料数 3 — 探索球体、余弦、椭圆与函数图像、构造线段 by Daniel Graham、构造全等角 by Daniel Graham
C&T 460 Technology Lesson - Constructing line segments — 资料数 3 — 探索球体、余弦、椭圆与函数图像、构造线段 by Daniel Graham、构造全等角 by Daniel Graham