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相似多邊形-縮放的性質
Author:
梅
Topic:
Similar Triangles
可自由拉動拉桿k 點A, B, C, O也可自由設置
GeoGebra
New Resources
第八周作业
垂直線的斜率
兩位數除以一位數（二）
祖冲之的期望：内棋与外棋
【案例】2018年全国1卷理科12题
Discover Resources
Clock24hour
線性組合3：正方形
sin(x) 的函數圖形的副本
分数整体与部分为单位1的线段图示
there phase Vector
Discover Topics
Difference and Slope
Random Experiments
Pie Chart or Circle Chart
Symmetry
Quadrilaterals