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keddy940199
GeoGebra
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四邉形 (四年級) 教師版
画直线等分三角形的面积
三位數除以一位數(二)
兩組對邊相等的四邊形
兩組對邊相等和有直角的四邊形
Discover Resources
方格紙上畫長方形3
Rectangle_02
gslsj 橫向的三角數列
旋轉長方形
Protractor-usage
Discover Topics
Arithmetic
Boxplot
Linear Regression
Trapezium
Frequency Distribution