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向量数量积
Author:
TwilightHex
Topic:
Vectors
GeoGebra
New Resources
【案例】2018年全国1卷理科12题
画直线等分三角形的面积
兩組對邊相等的四邊形
兩組對邊相等和有直角的四邊形
【案例】2013年安徽高考15题
Discover Resources
Proofs Without Words
Ruler
三角函數sine跟cosine
橢圓3--平行四邊形法
圖二的副本
Discover Topics
Hyperbola
Arithmetic
Logarithm
Coordinates
Function Graph