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平行四邊形面積
Author:
曾己泉
Topic:
Parallelogram
平行四邊形的面積＝底 x 高
GeoGebra
New Resources
兩組對邊相等和有直角的四邊形
【案例】2018年全国1卷理科12题
兩位數除以一位數（一）
拼砌四邊形
錐體建築師
Discover Resources
Tusi Couple
angles sum of a triangle 3
Coffee Brewing Control Chart
Copy of 分數比較
劉徽的「割圓術」的副本
Discover Topics
Numbers
Conditional Probability
Similarity Transformation or Similarity
Percentages
Step Functions