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1115-2
Author:
chen mingchuan
GeoGebra
New Resources
兩位數除以一位數（一）
【案例】2018年全国1卷理科12题
拼砌四邊形
四邊形的特性
找出對稱軸
Discover Resources
勝敗機率
Angles in a Circle:Property 3
Cross Product for 2D Vectors (平面外積)
Strike and Dip 地層的走向與傾角模擬
正方形雪花图案
Discover Topics
Cylinder
Fractions
Conditional Probability
General Quadrilateral
Incircle or Inscribed Circle