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拼平行四邊形
Author:
周桂名
Topic:
Geometry
,
Parallelogram
,
Translation
拼平行四邊形,拖曳需要的線段,可以試著旋轉(黃)、平移(藍),不改變大小,來組合平行四邊形
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異分母分數減法
柱體建築師
判斷球體
【案例】2018年全国1卷理科12题
【案例】2013年安徽高考15题
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初三作业
教學資源P1~6
畢氏定理證明
Copy of 分數與小數
示例2
Discover Topics
Isosceles Triangles
Quadrilaterals
Centroid or Barycenter
Multiplication
Plane Figures or Shapes