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matrix of rotation transformation
Author:
华杰 苏
Topic:
Matrices
GeoGebra
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四邊形的特性
【案例】2013年安徽高考15题
球体的体积推导(优化版)
三位數除以一位數(二)
兩組對邊相等的四邊形
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百分數(小學):折扣 / 賺賠
畫三角形 題4a
錐體建築師 2
Easter egg
俄罗斯方块
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Exponent
Line Segment
Area
Histogram
Interest Calculation