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題八
Author:
GeoGebra Institute of Hong Kong
Topic:
Area
GeoGebra
New Resources
圓周公式的應用
【案例】2018年全国1卷理科12题
圓的切線方程
双心四边形
直線的斜率：水平變化 & 鉛垂變化
Discover Resources
內切圓滾動
龍騰4_1-1習6-2
威力彩開獎機
中一︰相似圖形（平移、旋轉、反射、放大縮小）
颱風暴風圈
Discover Topics
Angles
Logarithm
Similar Triangles
Complex Numbers
Sequences and Series