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凹面鏡成像
Author:
joeyliaw.tw
移動T點位置，觀察成像位置H點的改變。
GeoGebra
New Resources
【案例】2018年全国1卷理科12题
拼砌四邊形
兩位數除以一位數（一）
小数 的副本
算柱 (兩位數)
Discover Resources
商高定理3
Rounding Quiz (Decimal Places) 小數位：測驗
frog 4
reflectional symmetry_1
heart
Discover Topics
Limits
Arithmetic Mean
Arithmetic
Fractions
Vectors 3D (Three-Dimensional)