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重複組合
Author:
羅驥韡 (Pegasus Roe)
將 n 個相同物品分給 k 個人（重複組合）
GeoGebra
New Resources
判斷球體
球體建築師
柱體建築師
畫出對稱圖形
錐體建築師
Discover Resources
厚會聚透鏡 Thick Convergent Lens
因式分解(十字相乘法)
伊斯蘭窗花 0410
第10题
移動愛心
Discover Topics
Frequency Distribution
Special Points
Tree Diagrams
Terms
Tangent Line or Tangent