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F2_Ch11.1_三角學(對鄰斜)
Author:
timothyngyf
GeoGebra
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【案例】圆柱体内放置一个大球六个小球
兩位數除以一位數（二）
【案例】2013年安徽高考15题
錐體建築師
画直线等分三角形的面积
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Pythagorean Theorem Proof with Shearing
test1
Angles formed by two straight lines and transversal
量角器
雙曲線3--等軸法
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