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5-s-01-能透過操作,理解三角形三內角和為180度
Author:
chuck.ncyu
GeoGebra
New Resources
柱體建築師
【案例】2018年全国1卷理科12题
球体的体积推导(优化版)
三位數除以一位數(一)
兩組對邊相等和有直角的四邊形
Discover Resources
erwtewt
凸透镜成像
正十二面體裁邊 (Chamfered Dodecahedron)
St. Line
初中数学
Discover Topics
Variance
Quadratic Equations
Straight Lines
Terms
Differential Calculus