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2019全国1卷理18(四棱柱,线面平行,二面角)
Author:
jjx01
GeoGebra
New Resources
兩位數加法
拼砌四邊形
四邊形的特性
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
選擇合適的「中間人」
階梯圖形(一)
example1_moon
桁架圖解步驟
三角函數sine跟cosine
Discover Topics
Incircle or Inscribed Circle
Coordinates
Arithmetic Operations
Square
Functions