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Vector in R2
Author:
sealion1215
GeoGebra
New Resources
【案例】2018年全国1卷理科12题
畫出對稱圖形
第八周作业
兩組對邊相等和有直角的四邊形
找出對稱軸
Discover Resources
三独立开关电路
funny draw
座標變換_數線
閱讀鐘面及數字鐘（時和分）的副本
斜率乘积为定值（椭圆、双曲线）
Discover Topics
Integers
Subtraction
Cylinder
Geometry
Sphere