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锐角三角函数
Author:
孙逸旻
Topic:
Trigonometric Functions
GeoGebra
New Resources
【案例】2018年全国1卷理科12题
錐體建築師
兩組對邊相等和有直角的四邊形
兩位數除以一位數（一）
四邊形的特性
Discover Resources
正四面體展開圖
圓柱
複合圖形體積(三角形與四邊形結合)
Test
探索三角形外角定理
Discover Topics
Curve Sketching
Line Segment
Distributions
Statistics
Differential Equation