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彩色斜線區域1060325
Author:
曾慧敏
GeoGebra
New Resources
三位數除以一位數（二）
找出對稱軸
兩組對邊相等和有直角的四邊形
畫出對稱圖形
異分母分數減法
Discover Resources
二次函數面積練習
waaachen
http://www.qsir.org/?p=8853
優良作品5(薇如)
褶正三角形
Discover Topics
Upper and Lower Sum or Riemann Sum
Curve Sketching
Polynomial Functions
Sine
Pythagoras or Pythagorean Theorem