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Estimating Mean 猜猜平均數
Author:
Alex CHIK
GeoGebra
GeoGebra 互動數學教室
http://www.geogebra.hk
New Resources
拼砌四邊形
兩組對邊相等的四邊形
兩位數除以一位數（二）
【案例】2018年全国1卷理科12题
第八周作业
Discover Resources
腳踏車
救生員的職責
Spherical Spiral
平移圖形後計算面積
S3 WS4.3 Q01(3D圖)
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Trapezoid
Terms
Real Numbers
Unit Circle
Fractions