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三角函数的概念核心知识点
Author:
邝素琴
Topic:
Trigonometric Functions
GeoGebra
New Resources
小数 的副本
美國國旗 (Codex 版)
近似值：有效數字
四邉形 (四年級) 教師版
兩組對邊相等和有直角的四邊形
Discover Resources
找出活動所用的時間
代數運算：外心座標
面積的量度
test
coterminal angles
Solving the equations in the form ax + b = cx + d (Grouping like terms)
Discover Topics
Tree Diagrams
Logarithmic Functions
Standard Deviation
Arithmetic
Matrices