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螢橋國中 周孟承
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螢橋國中
GeoGebra
New Resources
画直线等分三角形的面积
三位數除以一位數（一）
異分母分數減法
拼砌四邊形
四邉形 (四年級) 教師版
Discover Resources
鏡射再旋轉
Addition and Subtraction of Polynomials 2 (多項式的加減法2)
Copy of area
平行四邊形面積
旋轉方形
Discover Topics
Difference and Slope
Polynomial Functions
Standard Deviation
Rotation
Sine