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第一組-垂心
Author:
mathguo
Topic:
Orthocenter
第一組-垂心
GeoGebra
New Resources
【案例】2018年全国1卷理科12题
錐體建築師
拼砌四邊形
兩組對邊相等和有直角的四邊形
第八周作业
Discover Resources
proof3(1-1)吳奕杰
Plane
locus of a segment
奠基
錯角---水平平行綫
Discover Topics
Intersection
Real Numbers
Arithmetic
Diagrams
Logarithmic Functions