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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
兩組對邊相等的四邊形
【案例】圆柱体内放置一个大球六个小球
四邊形的特性
異分母分數減法
畫出對稱圖形
Discover Resources
向量相加
荒島尋寶
Light reflected in hyperbola
微信公众号“sx880A8”第253期摩纳哥亚国旗（flag of monaco）
a>1, y=Log(a,x) and y=a^x 有可能0,1,2交點!? 的複本
Discover Topics
Variance
Arithmetic
Area
Trigonometric Functions
Confidence Interval