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外接圓的心
Author:
chihyuliu
GeoGebra
New Resources
【案例】2013年安徽高考15题
兩組對邊相等的四邊形
【案例】2018年全国1卷理科12题
拼砌四邊形
第八周作业
Discover Resources
quadrilaterals 6
四邊形層疊
四邊形ADFE的面積是多少?
素因数分解 Prime Factorization
三位數除以一位數(一)
Discover Topics
Quadrilaterals
Cuboid
Continuity
Cylinder
Set Theory