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dandan
Author:
victoria09msy
GeoGebra
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异形操场
常见四边形是否是双心四边形
第八周作业1
撒针估算面积实验
球体的截面
Discover Resources
近似值:小數位及有效數字
sequence
sin,cos比大小
linear programing by Mr LO WY
河內塔 (Tower of Hanoi)的副本
Discover Topics
Cone
Natural Numbers
Reflection
Rhombus
Pie Chart or Circle Chart