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和直线和圆同时相切的圆
Author:
冯伟冀
Topic:
Conic Sections
,
Geometry
,
Parabola
GeoGebra
New Resources
兩位數加法
【案例】2018年全国1卷理科12题
平行線的斜率
垂直線的斜率
圓周公式的應用
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正七邊形
龍騰4_1-1講進4
賺賠：例3
給柱體一個名字 2
Rectangle_02
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Matrices
Addition
Triangles
Exponent
Root