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Area of triangle with different base
Author:
Pong Hai Lin
Topic:
Area
,
Straight Lines
GeoGebra
New Resources
兩組對邊相等和有直角的四邊形
第八周作业
球體建築師
三位數除以一位數（二）
判斷球體
Discover Resources
彈道
test021
中點軌跡(動點在兩圓上)
加法(粒條)
十分位分數
Discover Topics
Real Numbers
Centroid or Barycenter
Continuity
Quadratic Equations
LCM and GCD