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三角形内角和练习题课件
Author:
迟中金
Topic:
Triangles
GeoGebra
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【案例】2018年全国1卷理科12题
圓周公式的應用
兩位數加法
漂亮的摇摆曲线
直線的斜率
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向日葵
angle sum of triangle
Problem1:(md+me+mf)/(ad+be+cf)=a
倒水验证勾股定理
五組搶答
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Volume
Division
Boxplot
Step Functions
Difference and Slope