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直线与圆相切
Author:
蔡永志
直线与圆相切
GeoGebra
New Resources
拼砌四邊形
画直线等分三角形的面积
兩位數加法
【案例】2018年全国1卷理科12题
兩位數除以一位數（二）
Discover Resources
最小周長
體積的量度 3
Indices 5
正方体展开图的副本
there phase Vector
Discover Topics
Vectors 3D (Three-Dimensional)
Median Line
Combinatorics
Binomial Distribution
Cube