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折扣 例1的副本
Author:
冯圣军
,
GeoGebra Institute of Hong Kong
GeoGebra
New Resources
算柱 (兩位數)
四邉形 (四年級) 教師版
近似值：有效數字
sanjiaohanshu
小数 的副本
Discover Resources
內切圓滾動有圖更新
動國旗
分點公式：P = (?)A + (?)B + (?)C
國旗(青天白日)
圖四的副本
Discover Topics
Indefinite Integral
Linear Programming or Linear Optimization
Quadrilaterals
Similarity Transformation or Similarity
Median Line