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消失的面積(二)
Author:
camabula
Topic:
Area
消失的面積(二)
GeoGebra
New Resources
找出對稱軸
四邉形 (四年級) 教師版
拼砌四邊形
三位數除以一位數（二）
三位數除以一位數（一）
Discover Resources
Measuring Volume 1
Introduce Tangent Ratio
圖形的繪製(6)---三平行線上的正三角形
sine graph (reduce to 1/2 and then translate leftward by 15 degree)
解題二
Discover Topics
Polygons
Reflection
Confidence Interval
Logic
Combinatorics