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12-4-4-惠更斯原理4-波的衍射-尤景汉
Author:
王翚
GeoGebra
New Resources
柱體建築師
找出對稱軸
【案例】2018年全国1卷理科12题
三位數除以一位數（一）
兩位數除以一位數（二）
Discover Resources
testssss
學習單：三角形面積
常見平行線例題圖形繪製
折线匀速动点工具
羊角螺线[Euler spiral】
Discover Topics
Ratios
Circumcircle or Circumscribed Circle
Limits
LCM and GCD
Rational Numbers