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向量数量积
Author:
TwilightHex
Topic:
Vectors
GeoGebra
New Resources
GeoGebra笔记功能体验课件
兩位數加法
画直线等分三角形的面积
兩組對邊相等和有直角的四邊形
兩位數除以一位數（二）
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乘法公式2
學習單：三角形內(外)角合
Trigonometric Relations(90,270)
工具：PlaneArrows, PlaneText... (v.2)
对角线互相垂直的四边形，证倍分关系的副本
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Subtraction
Frequency Distribution
Ratios
Angles
Plane Figures or Shapes