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waaachen
Author:
陳兪宏
梯形+二次函數
GeoGebra
New Resources
算柱 (兩位數)
拼砌四邊形
畫出對稱圖形
【案例】2018年全国1卷理科12题
錐體建築師
Discover Resources
線對稱圖形練習1
test3
用圓作成的三角形
天佑數學三下B - 分數(二)
線性規劃
Discover Topics
Intersection
Definite Integral
Numbers
Polygons
Random Variables