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三角形面積
Author:
李春培
三角形面積
GeoGebra
New Resources
【案例】2018年全国1卷理科12题
兩位數除以一位數(一)
畫出對稱圖形
判斷球體
兩組對邊相等的四邊形
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餘弦的定理
gjc099b34 找指定圓圓心
乘法練習
序列的应用案例--挤油的圆
半圆的滚动
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Statistical Characteristics
Similar Triangles
Pie Chart or Circle Chart
Numbers
Arithmetic