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CHRISTMAS & NEW YEAR 2017
作者：
MEL M GO
HAPPY BIRTHDAY JESUS
GeoGebra
SPM 2017
最新資源
apec
Building Trapezoids with Set Areas
Focus and Directrix
Building Triangles with Set Areas
רישום חופשי
探索資源
interBUG2
Crossing Chords Property & Proof Start (II)
Translations-1
Optimization demo sheep
قائم الزاوية مثلث
Blue-red paint mixtures in the ratio 2 to 3
探索主題
幾何
黎曼和（Riemann Sum）
最小公倍數與最大公因數
正弦
雙曲線