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"拈" 類遊戲之一-搶21遊戲 The 21 game
Author:
侯杰材
GeoGebra
New Resources
兩組對邊相等和有直角的四邊形
Nested spiral octagon
四邉形 (四年級) 教師版
拼砌四邊形
小数 的副本
Discover Resources
四則運算
ｃｉｒｃｌｅ ｓｅｇｍｅｎｔ
吱吱喳喳
二維點陣列變化
Gaussian Heptagon construction
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Random Experiments
Division
Matrices
Subtraction
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