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Copy of 梯形
Author:
catherinecpc
,
Chan Ting Hin
Topic:
Trapezoid
GeoGebra
New Resources
拼砌四邊形
兩組對邊相等的四邊形
球體建築師
兩位數除以一位數（一）
球体的体积推导
Discover Resources
封閉著色2
if指令
Transit of Venus - Pentagram
test1
reflection points
Discover Topics
Subtraction
Frequency Distribution
Circumcircle or Circumscribed Circle
Means
Ratios