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題 4
Author:
GeoGebra Institute of Hong Kong
Topic:
Area
,
Polygons
計算下圖的面積。
GeoGebra
New Resources
找出對稱軸
兩位數除以一位數（二）
第八周作业
拼砌四邊形
柱體建築師
Discover Resources
love
減法
任何三角形內角和180度(五上數翰４－２)
Locus (Two points 2)
Graph of Trigonometry
Discover Topics
Incircle or Inscribed Circle
Mode
Limits
Upper and Lower Sum or Riemann Sum
Secant Line or Secant